The feasibility of using Apple's ResearchKit for recruitment and data collection: Considerations for mental health research. - Leah Bührmann; Tom Van Daele; Alina Rinn; Nele A. J. De Witte; Dirk Lehr; Jiska Joëlle Aardoom; Lisa Loheide-Niesmann; Jan Smit; Heleen Riper (Frontiers Digit. Health, 2022)