Development of Open Backend Structures for Health Care Professionals to Improve Participation in App Developments: Pilot Usability Study of a Medical App

Florian Dittrich   ^{1, 2, 3} , Dr med ;   Urs-Vito Albrecht   ² , Prof Dr, DrPH ;   Julian Scherer   ^{4, 5} , Dr med ;   Sören L Becker   ⁶ , Prof Dr, DPhil ;   Stefan Landgraeber   ¹ , Prof Dr ;   David Alexander Back   ⁷ , Dr med ;   Kai Fessmann   ⁸ ;   Marcel Haversath   ⁹ , Dr med ;   Sascha Beck   ¹⁰ , Dr med ;   Mona Abbara-Czardybon   ³ , Dr med ;   Henning Quitmann   ³ , Dr med ;   Anna Katharina Harren   ¹¹ , Dr med ;   Matthias Aitzetmüller   ^{11 *} , Dr med ;   Marie Luise Klietz   ^{11 *} , Dr med

¹ Department for Orthopaedics and Orthopaedic Surgery, Saarland University, Homburg, Germany

² Department of Digital Medicine, Medical Faculty Ost-Westfalen-Lippe, Bielefeld University, Bielefeld, Germany

³ Joint Centre Bergisch Land, Remscheid, Germany

⁴ Department of Trauma Surgery, University Hospital of Zurich, Zurich, Switzerland

⁵ Orthopaedic Research Unit, University of Cape Town, Cape Town, South Africa

⁶ Center for Infectious Diseases, Institute of Medical Microbiology and Hygiene, Saarland University, Homburg, Germany

⁷ Clinic of Traumatology and Orthopedics, Bundeswehr Hospital Berlin, Berlin, Germany

⁸ Clinic of Trauma, Hand and Reconstructive Surgery, University Hospital Essen, Essen, Germany

⁹ Clinic for Orthopaedics, Hospital Nettetal, Nettetal, Germany

¹⁰ Sportclinic Hellersen, Hellersen, Germany

¹¹ Division for Plastic Surgery, Department for Traumatology and Hand Surgery, University Hospital Münster, Münster, Germany

*these authors contributed equally