Mobile Applications for Longitudinal Data Collection: Web-based Survey Study of Former Intensive Care Patients. - Denise Molinnus; Anne Mainz; Angelique Kurth; Volker Lowitsch; Matthias Nüchter; Frank Bloos; Thomas Wendt; Philipp Potratz; Gernot Marx; Sven Meister; Johannes Bickenbach (J. Medical Syst., 2025)