| Affiliation: | 1. Steadman Philippon Research Institute, Vail, Colorado, U.S.A.;2. The Steadman Clinic, Vail, Colorado, U.S.A.;3. Geisel School of Medicine at Dartmouth, Hanover, New Hampshire, U.S.A.;4. Oslo University Hospital, University of Oslo, Oslo, Norway;5. Oslo Sports Trauma Research Center, Norwegian School of Sports Sciences, Oslo, Norway;1. ESSEC Business School, CS 50105, 3 Avenue Bernard Hirsch, 95021 Cergy-Pontoise Cedex, France;2. Leeds University Business School, Maurice Keyworth Building, University of Leeds, Moorland Rd, LS2 9JT, UK;1. Steadman Philippon Research Institute, The Stedman Clinic, Vail, Colorado, U.S.A.;2. Oslo University Hospital and University of Oslo, Oslo, Norway;1. DIME—CINEF, Università degli studi di Genova, Via Opera Pia 15, 16145 Genova, Italy;2. DIA, Università degli studi di Trieste, Via A. Valerio 10, 34127 Trieste, Italy;1. The Ragnar Frisch Centre for Economic Research, Oslo, Norway;2. Barnard College, Columbia University, New York, USA |
