1. Institute of Biomechanics and OrthopaedicsGerman Sport University CologneCologne Germany
2. Dr. Rolf M. Schwiete Research Unit for OsteoarthritisOrthopedic University Hospital Friedrichsheim gGmbHFrankfurt Germany
3. Center for Biochemistry, Medical FacultyUniversity of CologneCologne Germany
4. Cologne Center for Musculoskeletal Biomechanics, Medical FacultyUniversity of CologneCologne Germany
5. Department of Sports Medicine and Sports Nutrition, Faculty of Sport ScienceRuhr‐University BochumBochum Germany