1. Department of Orthopaedic Surgery, Bioengineering Laboratory, University of Colorado School of Medicine, Aurora, Colorado, USA
2. Orthopedic Department Póvoa de Varzim, Vila do Conde Hospital Centre; Ripoll y De Prado Sports Clinic FIFA Medical Centre of Excellence, Murcia-Madrid; ICVS/3 Bs Associated Laboratory, Minho University, Braga, Portugal
3. Department of Orthopaedic Surgery, Aspetar Orthopaedic and Sports Medicine Hospital, Aspire Zone, Doha, Qatar