About the Authors

Yannik Terhorst

Roles Conceptualization, Data curation, Formal analysis, Methodology, Writing – original draft, Writing – review & editing

yannik.terhorst@uni-ulm.de

Affiliations Department of Research Methods, Institute of Psychology and Education, University Ulm, Ulm, Germany, Department of Clinical Psychology and Psychotherapy, Institute of Psychology and Education, University Ulm, Ulm, Germany

Paula Philippi

Roles Data curation, Formal analysis, Methodology, Writing – review & editing

Affiliation Department of Clinical Psychology and Psychotherapy, Institute of Psychology and Education, University Ulm, Ulm, Germany

Lasse B. Sander

Roles Data curation, Writing – review & editing

Affiliation Department of Rehabilitation Psychology and Psychotherapy, Institute of Psychology, Albert-Ludwigs-University Freiburg, Freiburg im Breisgau, Germany

Dana Schultchen

Roles Data curation, Writing – review & editing

Affiliation Department of Clinical and Health Psychology, Institute of Psychology and Education, University Ulm, Ulm, Germany

Sarah Paganini

Roles Data curation, Writing – review & editing

Affiliation Department of Sport Psychology, Institute of Sports and Sport Science, University of Freiburg, Freiburg, Germany

Marco Bardus

Roles Data curation, Writing – review & editing

Affiliation Department of Health Promotion and Community Health, Faculty of Health Sciences, American University of Beirut, Beirut, Lebanon

Karla Santo

Roles Data curation, Writing – review & editing

Affiliations Academic Research Organization, Hospital Israelita Albert Einstein, São Paulo, Brazil, Westmead Applied Research Centre, Westmead Clinical School, Faculty of Medicine and Health, The University of Sydney, Sydney, Australia, Cardiovascular Division, The George Institute for Global Health, Sydney, Australia

Johannes Knitza

Roles Data curation, Writing – review & editing

Affiliation Department of Internal Medicine 3 – Rheumatology and Immunology, University Hospital Erlangen, Friedrich-Alexander University Erlangen-Nuremberg, Erlangen, Germany

Gustavo C. Machado

Roles Data curation, Writing – review & editing

Affiliations Institute for Musculoskeletal Health, Sydney, New South Wales, Australia, Sydney School of Public Health, Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia

Stephanie Schoeppe

Roles Data curation, Writing – review & editing

Affiliation School of Health, Medical and Applied Sciences, Appleton Institute, Physical Activity Research Group, Central Queensland University, Rockhampton, Queensland, Australia

Natalie Bauereiß

Roles Data curation, Writing – review & editing

Affiliation Department of Clinical Psychology and Psychotherapy, Institute of Psychology and Education, University Ulm, Ulm, Germany

Alexandra Portenhauser

Roles Data curation, Writing – review & editing

Affiliation Department of Clinical Psychology and Psychotherapy, Institute of Psychology and Education, University Ulm, Ulm, Germany

Matthias Domhardt

Roles Data curation, Writing – review & editing

Affiliation Department of Clinical Psychology and Psychotherapy, Institute of Psychology and Education, University Ulm, Ulm, Germany

Benjamin Walter

Roles Data curation, Writing – review & editing

Affiliation Department of Internal Medicine I, Gastroenterology, University Hospital Ulm, Ulm, Germany

Martin Krusche

Roles Data curation, Writing – review & editing

Affiliation Department of Rheumatology and Clinical Immunology, Charité – Universitätsmedizin Berlin, Berlin, Germany

Harald Baumeister

Roles Data curation, Supervision, Writing – review & editing

Affiliation Department of Clinical Psychology and Psychotherapy, Institute of Psychology and Education, University Ulm, Ulm, Germany

Eva-Maria Messner

Roles Conceptualization, Data curation, Supervision, Writing – review & editing

Affiliation Department of Clinical Psychology and Psychotherapy, Institute of Psychology and Education, University Ulm, Ulm, Germany

Competing Interests

EMM, YT, LS, HB developed and run the German Mobile Health App Database project (MHAD). The MHAD is a self-funded project at Ulm University with no commercial interests. LS, HB and EMM received payments for talks and workshops in the context of e-mental-health. This does not alter our adherence to PLOS ONE policies on sharing data and materials. All other authors declare no conflicts of interest.