Ana Pilar Betran (Ana Pilar Betrán, A P Betrán, A P Betran)

Publication Activity (10 Years)

Years Active: 2020-2024
Publications (10 Years): 50

Top Topics

Systematic Review

Cervical Cancer Screening

Top Venues

BMJ global health

Global health action

BMC health services research

This page only lists publications with an associated author ORCID identifier.

Publications

Rana Islamiah Zahroh, Alya Hazfiarini, Moya Ad Martiningtyas, Fitriana Murriya Ekawati, Ova Emilia, Marc Cheong, Ana Pilar Betran, Caroline S E Homer, Meghan A Bohren
Rising caesarean section rates and factors affecting women's decision-making about mode of birth in Indonesia: a longitudinal qualitative study. BMJ global health 9 (6) (2024)
Nino Berdzuli, Alba Llop-Gironés, Dana Farcasanu, Cassandra Butu, Miljana Grbic, Ana Pilar Betran
From evidence to tailored decision-making: a qualitative research of barriers and facilitating factors for the implementation of non-clinical interventions to reduce unnecessary caesarean section in Romania. BMJ open 14 (2) (2024)
Nino Berdzuli, Alba Llop-Gironés, Dana Farcasanu, Cassandra Butu, Miljana Grbic, Ana Pilar Betran
From evidence to tailored decision-making: a qualitative research of barriers and facilitating factors for the implementation of non-clinical interventions to reduce unnecessary caesarean section in Romania. BMJ open 14 (2) (2024)
Rana Islamiah Zahroh, Alya Hazfiarini, Moya Ad Martiningtyas, Fitriana Murriya Ekawati, Ova Emilia, Marc Cheong, Ana Pilar Betran, Caroline S E Homer, Meghan A Bohren
Rising caesarean section rates and factors affecting women's decision-making about mode of birth in Indonesia: a longitudinal qualitative study. BMJ global health 9 (6) (2024)
Matteo Arata, Sonia Boyle, Beatrice Sgorbissa, Francesca Tognon, Valerie John-Cole, Michele Orsi, Claudia Caracciolo, Carlo Saccardi, Fabio Manenti, Giovanni Putoto, Abibatu K Kamara, Ana Pilar Betran
Caesarean sections, indications and outcomes: a cross-sectional study using the Robson classification in a tertiary hospital in Sierra Leone. BMJ open 14 (9) (2024)
John Allotey, Lucinda Archer, Dyuti Coomar, Kym I E Snell, Melanie Smuk, Lucy A Oakey, Sadia Haqnawaz, Ana Pilar Betran, Lucy C Chappell, Wessel J Ganzevoort, Sanne J Gordijn, Asma Khalil, Ben-Willem J Mol, Rachel Katherine Morris, Jenny E Myers, Aris T Papageorghiou, Baskaran Thilaganathan, Fabrício da Silva Costa, Fabio Facchinetti, Arri Coomarasamy, Akihide Ohkuchi, Anne Eskild, Javier A Ramírez, Alberto Galindo, Ignacio Herraiz García, Federico Prefumo, Shigeru Saito, Line Sletner, José Guilherme Cecatti, Rinat Gabbay-Benziv, François Goffinet, Ahmet Alexander Baschat, Renato Teixeira Souza, Fionnuala Mone, Diane Farrar, Seppo Heinonen, Kjell Å Salvesen, Luc J M Smits, Sohinee Bhattacharya, Chie Nagata, Satoru Takeda, Marleen M H J van Gelder, Dewi Anggraini, SeonAe Yeo, Jane West, Javier Zamora, Hema Mistry, Richard D Riley, Shakila Thangaratinam
Development and validation of prediction models for fetal growth restriction and birthweight: an individual participant data meta-analysis. Health technology assessment (Winchester, England) 28 (47) (2024)
Rana Islamiah Zahroh, Marc Cheong, Alya Hazfiarini, Martha Isela Vazquez Corona, Fitriana Murriya Ekawati, Ova Emilia, Caroline S E Homer, Ana Pilar Betran, Meghan A Bohren
The Portrayal of Cesarean Section on Instagram: Mixed Methods Social Media Analysis. JMIR formative research 8 (2024)
Rana Islamiah Zahroh, Alya Hazfiarini, Moya Ad Martiningtyas, Fitriana Murriya Ekawati, Ova Emilia, Marc Cheong, Ana Pilar Betran, Caroline S E Homer, Meghan A Bohren
Rising caesarean section rates and factors affecting women's decision-making about mode of birth in Indonesia: a longitudinal qualitative study. BMJ global health 9 (6) (2024)
Rana Islamiah Zahroh, Alya Hazfiarini, Moya Ad Martiningtyas, Fitriana Murriya Ekawati, Ova Emilia, Marc Cheong, Ana Pilar Betran, Caroline S E Homer, Meghan A Bohren
Rising caesarean section rates and factors affecting women's decision-making about mode of birth in Indonesia: a longitudinal qualitative study. BMJ global health 9 (6) (2024)
Nino Berdzuli, Alba Llop-Gironés, Dana Farcasanu, Cassandra Butu, Miljana Grbic, Ana Pilar Betran
From evidence to tailored decision-making: a qualitative research of barriers and facilitating factors for the implementation of non-clinical interventions to reduce unnecessary caesarean section in Romania. BMJ open 14 (2) (2024)
Amanda Cleeve, Kristi Sidney Annerstedt, Ana Pilar Betran, Helle Mölsted Alvesson, Charles Kaboré Wendyam, Guillermo Carroli, Pisake Lumbiganon, Mac Quoc Nhu Hung, Karen Zamboni, Newton Opiyo, Meghan A Bohren, Soha El Halabi, Celina Gialdini, Mercedes Vila Ortiz, Ramon Escuriet, Michael Robson, Alexandre Dumont, Claudia Hanson
Implementing the QUALI-DEC project in Argentina, Burkina Faso, Thailand and Viet Nam: a process delineation and theory-driven process evaluation protocol. Global health action 16 (1) (2023)
Thais P Rocha, John Allotey, Alfredo Palacios, Joshua Peter Vogel, Luc Smits, Guillermo Carroli, Hema Mistry, Taryn Young, Zahida P Qureshi, Gabriela Cormick, Kym I E Snell, Edgardo Abalos, Juan-Pablo Pena-Rosas, Khalid Saeed Khan, Koiwah Koi Larbi, Anna Thorson, Mandisa Singata-Madliki, George Justus Hofmeyr, Meghan A Bohren, Richard D Riley, Ana Pilar Betran, Shakila Thangaratinam, null null
Calcium supplementation to prevent pre-eclampsia: protocol for an individual participant data meta-analysis, network meta-analysis and health economic evaluation. BMJ open 13 (5) (2023)
Maria Regina Torloni, Newton Opiyo, Elena Altieri, Soha Sobhy, Shakila Thangaratinam, Barbara Nolens, Diederike Geelhoed, Ana Pilar Betran
Interventions to reintroduce or increase assisted vaginal births: a systematic review of the literature. BMJ open 13 (2) (2023)
Gabriela Cormick, Hellen Moraa, Rana Islamiah Zahroh, John Allotey, Thais P Rocha, Juan Pablo Peña-Rosas, Zahida P Qureshi, G Justus Hofmeyr, Hema Mistry, Luc J M Smits, Joshua Peter Vogel, Alfredo Palacios, George N Gwako, Edgardo Abalos, Koiwah Koi Larbi, Guillermo Carroli, Richard D Riley, Kym Ie Snell, Anna Thorson, Taryn Young, Ana Pilar Betran, Shakila Thangaratinam, Meghan A Bohren
Factors affecting the implementation of calcium supplementation strategies during pregnancy to prevent pre-eclampsia: a mixed-methods systematic review. BMJ open 13 (12) (2023)
Amanda Cleeve, Kristi Sidney Annerstedt, Ana Pilar Betran, Helle Mölsted Alvesson, Charles Kaboré Wendyam, Guillermo Carroli, Pisake Lumbiganon, Mac Quoc Nhu Hung, Karen Zamboni, Newton Opiyo, Meghan A Bohren, Soha El Halabi, Celina Gialdini, Mercedes Vila Ortiz, Ramon Escuriet, Michael Robson, Alexandre Dumont, Claudia Hanson
Implementing the QUALI-DEC project in Argentina, Burkina Faso, Thailand and Viet Nam: a process delineation and theory-driven process evaluation protocol. Global health action 16 (1) (2023)
Amanda Cleeve, Kristi Sidney Annerstedt, Ana Pilar Betran, Helle Mölsted Alvesson, Charles Kaboré Wendyam, Guillermo Carroli, Pisake Lumbiganon, Mac Quoc Nhu Hung, Karen Zamboni, Newton Opiyo, Meghan A Bohren, Soha El Halabi, Celina Gialdini, Mercedes Vila Ortiz, Ramon Escuriet, Michael Robson, Alexandre Dumont, Claudia Hanson
Implementing the QUALI-DEC project in Argentina, Burkina Faso, Thailand and Viet Nam: a process delineation and theory-driven process evaluation protocol. Global health action 16 (1) (2023)
Amanda Cleeve, Kristi Sidney Annerstedt, Ana Pilar Betran, Helle Mölsted Alvesson, Charles Kaboré Wendyam, Guillermo Carroli, Pisake Lumbiganon, Mac Quoc Nhu Hung, Karen Zamboni, Newton Opiyo, Meghan A Bohren, Soha El Halabi, Celina Gialdini, Mercedes Vila Ortiz, Ramon Escuriet, Michael Robson, Alexandre Dumont, Claudia Hanson
Implementing the QUALI-DEC project in Argentina, Burkina Faso, Thailand and Viet Nam: a process delineation and theory-driven process evaluation protocol. Global health action 16 (1) (2023)
Amanda Cleeve, Kristi Sidney Annerstedt, Ana Pilar Betran, Helle Mölsted Alvesson, Charles Kaboré Wendyam, Guillermo Carroli, Pisake Lumbiganon, Mac Quoc Nhu Hung, Karen Zamboni, Newton Opiyo, Meghan A Bohren, Soha El Halabi, Celina Gialdini, Mercedes Vila Ortiz, Ramon Escuriet, Michael Robson, Alexandre Dumont, Claudia Hanson
Implementing the QUALI-DEC project in Argentina, Burkina Faso, Thailand and Viet Nam: a process delineation and theory-driven process evaluation protocol. Global health action 16 (1) (2023)
Maria Regina Torloni, Ana Pilar Betran, Martha Vazquez Corona, Meghan A Bohren, Mariana Widmer
What do healthcare providers think of the quality of uterotonics? A mixed-methods systematic review. BMJ open 13 (10) (2023)
Amanda Cleeve, Kristi Sidney Annerstedt, Ana Pilar Betran, Helle Mölsted Alvesson, Charles Kaboré Wendyam, Guillermo Carroli, Pisake Lumbiganon, Mac Quoc Nhu Hung, Karen Zamboni, Newton Opiyo, Meghan A Bohren, Soha El Halabi, Celina Gialdini, Mercedes Vila Ortiz, Ramon Escuriet, Michael Robson, Alexandre Dumont, Claudia Hanson
Implementing the QUALI-DEC project in Argentina, Burkina Faso, Thailand and Viet Nam: a process delineation and theory-driven process evaluation protocol. Global health action 16 (1) (2023)
Thais P Rocha, John Allotey, Alfredo Palacios, Joshua Peter Vogel, Luc Smits, Guillermo Carroli, Hema Mistry, Taryn Young, Zahida P Qureshi, Gabriela Cormick, Kym I E Snell, Edgardo Abalos, Juan-Pablo Pena-Rosas, Khalid Saeed Khan, Koiwah Koi Larbi, Anna Thorson, Mandisa Singata-Madliki, George Justus Hofmeyr, Meghan A Bohren, Richard D Riley, Ana Pilar Betran, Shakila Thangaratinam, null null
Calcium supplementation to prevent pre-eclampsia: protocol for an individual participant data meta-analysis, network meta-analysis and health economic evaluation. BMJ open 13 (5) (2023)
Maria Regina Torloni, Newton Opiyo, Elena Altieri, Soha Sobhy, Shakila Thangaratinam, Barbara Nolens, Diederike Geelhoed, Ana Pilar Betran
Interventions to reintroduce or increase assisted vaginal births: a systematic review of the literature. BMJ open 13 (2) (2023)
Gabriela Cormick, Hellen Moraa, Rana Islamiah Zahroh, John Allotey, Thais P Rocha, Juan Pablo Peña-Rosas, Zahida P Qureshi, G Justus Hofmeyr, Hema Mistry, Luc J M Smits, Joshua Peter Vogel, Alfredo Palacios, George N Gwako, Edgardo Abalos, Koiwah Koi Larbi, Guillermo Carroli, Richard D Riley, Kym Ie Snell, Anna Thorson, Taryn Young, Ana Pilar Betran, Shakila Thangaratinam, Meghan A Bohren
Factors affecting the implementation of calcium supplementation strategies during pregnancy to prevent pre-eclampsia: a mixed-methods systematic review. BMJ open 13 (12) (2023)
Thais P Rocha, John Allotey, Alfredo Palacios, Joshua Peter Vogel, Luc Smits, Guillermo Carroli, Hema Mistry, Taryn Young, Zahida P Qureshi, Gabriela Cormick, Kym I E Snell, Edgardo Abalos, Juan-Pablo Pena-Rosas, Khalid Saeed Khan, Koiwah Koi Larbi, Anna Thorson, Mandisa Singata-Madliki, George Justus Hofmeyr, Meghan A Bohren, Richard D Riley, Ana Pilar Betran, Shakila Thangaratinam, null null
Calcium supplementation to prevent pre-eclampsia: protocol for an individual participant data meta-analysis, network meta-analysis and health economic evaluation. BMJ open 13 (5) (2023)
Thais P Rocha, John Allotey, Alfredo Palacios, Joshua Peter Vogel, Luc Smits, Guillermo Carroli, Hema Mistry, Taryn Young, Zahida P Qureshi, Gabriela Cormick, Kym I E Snell, Edgardo Abalos, Juan-Pablo Pena-Rosas, Khalid Saeed Khan, Koiwah Koi Larbi, Anna Thorson, Mandisa Singata-Madliki, George Justus Hofmeyr, Meghan A Bohren, Richard D Riley, Ana Pilar Betran, Shakila Thangaratinam, null null
Calcium supplementation to prevent pre-eclampsia: protocol for an individual participant data meta-analysis, network meta-analysis and health economic evaluation. BMJ open 13 (5) (2023)
Kyaw Lwin Show, Thae Maung Maung, Aung Pyae Phyo, Kyaw Thet Aung, Chetta Ngamjarus, Nyein Su Aye, Özge Tunçalp, Ana Pilar Betran, Saw Kler Ku, Pisake Lumbiganon, Khaing Nwe Tin, Nwe Oo Mon, Meghan A Bohren
Feasibility and readiness to implement Robson classification to monitor caesarean sections in public hospitals in Myanmar: Formative research. PLOS global public health 3 (1) (2023)
Gabriela Cormick, Hellen Moraa, Rana Islamiah Zahroh, John Allotey, Thais P Rocha, Juan Pablo Peña-Rosas, Zahida P Qureshi, G Justus Hofmeyr, Hema Mistry, Luc J M Smits, Joshua Peter Vogel, Alfredo Palacios, George N Gwako, Edgardo Abalos, Koiwah Koi Larbi, Guillermo Carroli, Richard D Riley, Kym Ie Snell, Anna Thorson, Taryn Young, Ana Pilar Betran, Shakila Thangaratinam, Meghan A Bohren
Factors affecting the implementation of calcium supplementation strategies during pregnancy to prevent pre-eclampsia: a mixed-methods systematic review. BMJ open 13 (12) (2023)
Thais P Rocha, John Allotey, Alfredo Palacios, Joshua Peter Vogel, Luc Smits, Guillermo Carroli, Hema Mistry, Taryn Young, Zahida P Qureshi, Gabriela Cormick, Kym I E Snell, Edgardo Abalos, Juan-Pablo Pena-Rosas, Khalid Saeed Khan, Koiwah Koi Larbi, Anna Thorson, Mandisa Singata-Madliki, George Justus Hofmeyr, Meghan A Bohren, Richard D Riley, Ana Pilar Betran, Shakila Thangaratinam, null null
Calcium supplementation to prevent pre-eclampsia: protocol for an individual participant data meta-analysis, network meta-analysis and health economic evaluation. BMJ open 13 (5) (2023)
Sarah Elaraby, Elena Altieri, Soo Downe, Joanna Erdman, Sunny Mannava, Gill Moncrieff, B R Shamanna, Maria Regina Torloni, Ana Pilar Betran
Behavioural factors associated with fear of litigation as a driver for the increased use of caesarean sections: a scoping review. BMJ open 13 (4) (2023)
Maria Regina Torloni, Newton Opiyo, Elena Altieri, Soha Sobhy, Shakila Thangaratinam, Barbara Nolens, Diederike Geelhoed, Ana Pilar Betran
Interventions to reintroduce or increase assisted vaginal births: a systematic review of the literature. BMJ open 13 (2) (2023)
Maria Regina Torloni, Newton Opiyo, Elena Altieri, Soha Sobhy, Shakila Thangaratinam, Barbara Nolens, Diederike Geelhoed, Ana Pilar Betran
Interventions to reintroduce or increase assisted vaginal births: a systematic review of the literature. BMJ open 13 (2) (2023)
Rana Islamiah Zahroh, Katy Sutcliffe, Dylan Kneale, Martha Isela Vazquez Corona, Ana Pilar Betran, Newton Opiyo, Caroline S E Homer, Meghan A Bohren
Educational interventions targeting pregnant women to optimise the use of caesarean section: What are the essential elements? A qualitative comparative analysis. BMC public health 23 (1) (2023)
Maria Regina Torloni, Newton Opiyo, Elena Altieri, Soha Sobhy, Shakila Thangaratinam, Barbara Nolens, Diederike Geelhoed, Ana Pilar Betran
Interventions to reintroduce or increase assisted vaginal births: a systematic review of the literature. BMJ open 13 (2) (2023)
Gabriela Cormick, Hellen Moraa, Rana Islamiah Zahroh, John Allotey, Thais P Rocha, Juan Pablo Peña-Rosas, Zahida P Qureshi, G Justus Hofmeyr, Hema Mistry, Luc J M Smits, Joshua Peter Vogel, Alfredo Palacios, George N Gwako, Edgardo Abalos, Koiwah Koi Larbi, Guillermo Carroli, Richard D Riley, Kym Ie Snell, Anna Thorson, Taryn Young, Ana Pilar Betran, Shakila Thangaratinam, Meghan A Bohren
Factors affecting the implementation of calcium supplementation strategies during pregnancy to prevent pre-eclampsia: a mixed-methods systematic review. BMJ open 13 (12) (2023)
Thais P Rocha, John Allotey, Alfredo Palacios, Joshua Peter Vogel, Luc Smits, Guillermo Carroli, Hema Mistry, Taryn Young, Zahida P Qureshi, Gabriela Cormick, Kym I E Snell, Edgardo Abalos, Juan-Pablo Pena-Rosas, Khalid Saeed Khan, Koiwah Koi Larbi, Anna Thorson, Mandisa Singata-Madliki, George Justus Hofmeyr, Meghan A Bohren, Richard D Riley, Ana Pilar Betran, Shakila Thangaratinam, null null
Calcium supplementation to prevent pre-eclampsia: protocol for an individual participant data meta-analysis, network meta-analysis and health economic evaluation. BMJ open 13 (5) (2023)
Somporn Rungreangkulkij, Ameporn Ratinthorn, Pisake Lumbiganon, Rana Islamiah Zahroh, Claudia Hanson, Alexandre Dumont, Myriam de Loenzien, Ana Pilar Betran, Meghan A Bohren
Factors influencing the implementation of labour companionship: formative qualitative research in Thailand. BMJ open 12 (5) (2022)
Rana Islamiah Zahroh, Dylan Kneale, Katy Sutcliffe, Martha Isela Vazquez Corona, Newton Opiyo, Caroline S E Homer, Ana Pilar Betran, Meghan A Bohren
Interventions targeting healthcare providers to optimise use of caesarean section: a qualitative comparative analysis to identify important intervention features. BMC health services research 22 (1) (2022)
Rana Islamiah Zahroh, Dylan Kneale, Katy Sutcliffe, Martha Isela Vazquez Corona, Newton Opiyo, Caroline S E Homer, Ana Pilar Betran, Meghan A Bohren
Interventions targeting healthcare providers to optimise use of caesarean section: a qualitative comparative analysis to identify important intervention features. BMC health services research 22 (1) (2022)
Rana Islamiah Zahroh, Dylan Kneale, Katy Sutcliffe, Martha Isela Vazquez Corona, Newton Opiyo, Caroline S E Homer, Ana Pilar Betran, Meghan A Bohren
Interventions targeting healthcare providers to optimise use of caesarean section: a qualitative comparative analysis to identify important intervention features. BMC health services research 22 (1) (2022)
Rana Islamiah Zahroh, Dylan Kneale, Katy Sutcliffe, Martha Isela Vazquez Corona, Newton Opiyo, Caroline S E Homer, Ana Pilar Betran, Meghan A Bohren
Interventions targeting healthcare providers to optimise use of caesarean section: a qualitative comparative analysis to identify important intervention features. BMC health services research 22 (1) (2022)
Rana Islamiah Zahroh, Dylan Kneale, Katy Sutcliffe, Martha Isela Vazquez Corona, Newton Opiyo, Caroline S E Homer, Ana Pilar Betran, Meghan A Bohren
Interventions targeting healthcare providers to optimise use of caesarean section: a qualitative comparative analysis to identify important intervention features. BMC health services research 22 (1) (2022)
Mercedes Colomar, Franco Gonzalez Mora, Ana Pilar Betran, Newton Opiyo, Meghan A Bohren, Maria Regina Torloni, Monica Siaulys
Collaborative model of intrapartum care: qualitative study on barriers and facilitators to implementation in a private Brazilian hospital. BMJ open 11 (12) (2021)
Y Zhang, Ana Pilar Betran, Xiaotian Li, D Liu, N Yuan, L Shang, W Lin, S Tu, L Wang, X Wu, T Zhu, Y Zhang, Z Lu, L Zheng, C Gu, J Fang, Z Liu, L Ma, Z Cai, X Yang, H Li, H Zhang, X Zhao, L Yan, L Wang, X Sun, Q Luo, L Liu, J Zhu, W Qin, Q Yao, S Dong, Y Yang, Z Cui, Y He, X Feng, L He, H Zhang, L Zhang, X Wang, J P Souza, H Qi, T Duan, J Zhang
What is an appropriate caesarean delivery rate for China: a multicentre survey. BJOG : an international journal of obstetrics and gynaecology (2021)
Gabriela Cormick, Ana Pilar Betran, Iris Beatriz Romero, Maria Sol Cormick, José M Belizán, Ariel Bardach, Agustín Ciapponi
Effect of Calcium Fortified Foods on Health Outcomes: A Systematic Review and Meta-Analysis. Nutrients 13 (2) (2021)
Ana Pilar Betran, Jiangfeng Ye, Ann-Beth Moller, João Paulo Souza, Jun Zhang
Trends and projections of caesarean section rates: global and regional estimates. BMJ global health 6 (6) (2021)
Rana Islamiah Zahroh, George Disney, Ana Pilar Betran, Meghan A Bohren
Trends and sociodemographic inequalities in the use of caesarean section in Indonesia, 1987-2017. BMJ global health 5 (12) (2021)
Maria Regina Torloni, Monica Siaulys, Rachel Riera, Ana Luiza Cabrera Martimbianco, Rafael Leite Pacheco, Carolina de Oliveira Cruz Latorraca, Mariana Widmer, Ana Pilar Betran
Timing of oxytocin administration to prevent post-partum hemorrhage in women delivered by cesarean section: A systematic review and metanalysis. PloS one 16 (6) (2021)
M L Marinovich, A K Regan, M Gissler, M C Magnus, S E Håberg, J A Mayo, G M Shaw, J Bell, N Nassar, S Ball, Amanuel Tesfay Gebremedhin, C Marston, N de Klerk, Ana Pilar Betran, A M Padula, G Pereira
Associations between interpregnancy interval and preterm birth by previous preterm birth status in four high-income countries: a cohort study. BJOG : an international journal of obstetrics and gynaecology 128 (7) (2020)
Pilar Montilla, Francesca Merzagora, Elisa Scolaro, Jennifer Requejo, Walter Ricciardi, Elena Meli, Adriana Bazzi, Giorgio Vittori, Flavia Bustreo, Rosanna Boldi, Maria Rizzoti, Mario Merialdi, Ana Pilar Betran
Lessons from a multidisciplinary partnership involving women parliamentarians to address the overuse of caesarean section in Italy. BMJ global health 5 (2) (2020)
Maria Regina Torloni, Vanessa Brizuela, Ana Pilar Betran
Mass media campaigns to reduce unnecessary caesarean sections: a systematic review. BMJ global health 5 (2) (2020)