1. Faculty of Sport, Allied Health and Performance Science, St Mary’s University, Twickenham, UK
2. Ballet Healthcare, The Royal Ballet, London, UK
3. Institute of Sport Science, Dance Science, University of Bern, Bern, Switzerland
4. Institute of Sport, Exercise, and Health, Division of Surgery and Interventional Science, University College London, London, UK
5. School of Sport, Rehabilitation and Exercise Sciences, University of Essex, Colchester, UK
6. Department of Physiotherapy, School of Primary and Allied Health Care, Faculty of Medicine, Nursing and Health Science, Monash University, Melbourne, Australia