Published on in Vol 20, No 8 (2018): August

1 Institute of Psychiatry, Psychology & Neuroscience, Health Psychology Department, King's College London, London, United Kingdom
2 Institute of Sports and Sport Science, Department of Sport Psychology, University of Freiburg, Freiburg, Germany
3 Rehabilitation-Center Todtmoos, Clinic Wehrawald, Todtmoos, Germany
4 Department for Clinical, Neuro- & Developmental Psychology, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
5 Institute of Psychology, Department of Rehabilitation Psychology and Psychotherapy, University of Freiburg, Freiburg, Germany
6 Institute of Psychology, Department of Clinical Psychology and Psychotherapy, University of Ulm, Ulm, Germany