Effect of Web-Based Versus Paper-Based Questionnaires and Follow-Up Strategies on Participation Rates of Dutch Childhood Cancer Survivors: A Randomized Controlled Trial.
Ellen KilsdonkEline Van Dulmen-den BroederHelena J H Van der PalNynke HollemaLeontien C M KremerMarry M M van den Heuvel-EibrinkFlora E van LeeuwenMonique W M JaspersMarleen H van den BergPublished in: JMIR cancer (2015)
International Standard Randomized Controlled Trial Number (ISRCTN): 84711754; http://www.controlled-trials.com/ISRCTN84711754 (Archived by WebCite at http://www.webcitation.org/6c9ZB8paX).