1Institute of Medical Physics, Friedrich-Alexander University Erlangen-Nürnberg, Erlangen, Germany
2Institute of Health Science, Department of Population-Based Medicine, University Hospital Tübingen, Tübingen, Germany
3Department of Medical and Life Sciences, University of Furtwangen, Schwenningen, Germany
4Robert-Bosch-Hospital, Geriatrics and Geriatric Rehabilitation, Stuttgart, Germany
5Paracelsus Medical University Nürnberg and General Hospital Nürnberg, Nuremberg, Germany
6Bernhard Heine Centre of Movement Science, University of Würzburg, Würzburg, Germany
7Austrian Society for Bone and Mineral Research, Vienna, Austria
8German Society for Orthopaedics and Trauma, Frankfurt, Germany
9Deutsche Rheuma-Liga Bundesverband e.V, Bonn, Germany
10German Society for Physical and Rehabilitative Medicine, Ulm, Germany
11International Musculoskeletal Pain Society, Ravensburg, Germany
12German Association for Health-Related Fitness and Exercise Therapy (DVGS) e.V, Hürth-Efferen, Germany
13European Geriatric Medicine Society (EuGMS), Institute for Biomedicine of Aging, FAU Erlangen-Nürnberg, Nürnberg, Germany
14Deutscher Verband für Physiotherapie (ZVK) e.V, Köln, Germany
15Osteology Umbrella Association Germany, Austria, Switzerland
16Department of Geriatrics and Aging Research, University Hospital of Zurich, City Hospital of Zurich-Waid and University of Zurich, Centre on Aging and Mobility, University of Zurich, Zürich, Switzerland
17Institute of Radiology, University Hospital Erlangen, Erlangen, Germany