Mediators and theories of change in psychotherapy with adolescents: a systematic review protocol.
Svenja TaubnerAndrea SalibaErkki HeinonenSonja ProtićJana VolkertAsta AdlerRasa BarkauskienėSonia Conejo CerónDina Di GiacomoYianna IoannouJosé M MestrePatricia Moreno-PeralFilipa Mucha VieiraCatarina Pinheiro MotaMarija RalevaMargarida Isabel Rangel Santos HenriquesJan Ivar RøssbergStefanie J SchmidtTjaša Stepišnik PerdihRandi UlbergCélia M D SalesPublished in: BMJ open (2021)
CRD42020177535.