1 Department of Orthopaedic Surgery, OLVG, Oosterpark 9, 1091 AC, Amsterdam, The Netherlands. huubdeklerk@gmail.com.
2 Department of Orthopaedic Surgery, Amsterdam University Medical Centers, University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands.
3 Department of Orthopaedic Surgery, Amphia Hospital, Langendijk 75, 4819 EV, Breda, The Netherlands.
4 Shoulder and Elbow Unit, Department of Orthopaedic Surgery, OLVG, Oosterpark 9, 1091 AC, Amsterdam, The Netherlands.
5 Faculty of Behavioural and Movement Sciences, Vrije Universiteit Amsterdam, Van der Boechorststraat 7, 1081 BT, Amsterdam, The Netherlands.