[1] Albert Ludwigs Univ Freiburg, Med Ctr, Dept Orthoped & Trauma Surg, Freiburg, Baden Wurttembe, Germany
[2] Univ Hosp Heidelberg, Ctr Psychosocial Med, Dept Gen Psychiat, Heidelberg, Baden Wurttembe, Germany
[3] Oslo Sports Trauma Res Ctr, Norwegian Sch Sports Sci, Oslo, Norway
[4] Oslo Univ Hosp, Norwegian Natl Unit Sensory Loss & Mental Hlth, Oslo, Norway
[5] Bern Univ Appl Sci, Dept Hlth Profess, Div Physiotherapy, Bern, Switzerland
[6] Univ Potsdam, Outpatient Clin, Sport Med & Sports Orthoped, Potsdam, Germany
[7] Albert Ludwigs Univ Freiburg, Dept Psychol, Freiburg, Baden Wurttembe, Germany
[8] ALTIUS Swiss Sportmed Ctr AG, Rheinfelden, Switzerland