1. Digital Health, Fraunhofer Institute for Applied Information Technology FIT, Germany
2. Deptartment of Psychosomatic Medicine and Psychotherapy, University of Göttingen Medical Centre, Germany and
Center for Behavioral Health, Media, and Technology, Division of General Internal Medicine, University of Pittsburgh School of Medicine, USA
3. Department of General Practice and Primary Care, University Medical Center Hamburg-Eppendorf, Germany