Jona Fischer on ABCD-Jhttps://www-draft.abcd-j.de/contributors/jona-fischer/Recent content in Jona Fischer on ABCD-JHugoen© 2025 ABCD-J. The ABCD-J project is funded by the MKW-NRW: Ministerium für Kultur und Wissenschaft des Landes Nordrhein-Westfalen under the Kooperationsplattformen 2022 program, grant number: KP22-106A.JTrack: EMA Assessments and Morehttps://www-draft.abcd-j.de/software/jtrack/Mon, 01 Jan 0001 00:00:00 +0000https://www-draft.abcd-j.de/software/jtrack/Jtrack is a software platform for collecting digital phenotyping data via smartphones from study participants.