1 Department of Orthopaedic Surgery, Leiden University Medical Centre, Albinusdreef 2, 2333 Leiden, The Netherlands. Electronic address: lotje_hoogervorst@hotmail.com.
2 Department of Orthopaedic Surgery, Flinders Medical Centre, Adelaide, Australia.
3 Shoulder and Elbow Expertise Centre, Department of Orthopaedic Surgery, OLVG, Amsterdam, The Netherlands; Department of Human Movement Sciences, Faculty of Behavioural and Movement Sciences, Vrije Universiteit Amsterdam, Amsterdam Movement Sciences, Amsterdam, The Netherlands.