About the Authors

Leslie Swartz

Lswartz@sun.ac.za

Affiliation Alan J. Flisher Centre for Public Mental Health, Department of Psychology, Stellenbosch University, Stellenbosch, South Africa

Jason Bantjes

Affiliation Department of Psychology, Stellenbosch University, Stellenbosch, South Africa

Divan Rall

Affiliation Department of Psychology, Stellenbosch University, Stellenbosch, South Africa

Suzanne Ferreira

Affiliation Department of Sport Science, Stellenbosch University, Stellenbosch, South Africa

Cheri Blauwet

Affiliation Department of Physical Medicine and Rehabilitation, Spaulding Rehabilitation Hospital and Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, United States of America

Wayne Derman

Affiliation Institute for Sport and Exercise Medicine, Stellenbosch University, Cape Town, South Africa and International Olympic Committee (IOC) Research Centre, Cape Town, South Africa

Competing Interests

The authors declare the following: CB is chairperson of the Medical Committee of the International Paralympic Committee. WD is a member of the Medical Committee of the International Paralympic Committee. WD is co-director of the South African IOC research centre and receives an IOC Research Centres Grant. WD undertakes medico-legal work and is from time to time expert witness. WD is advisory consultant for Ossur South Africa and Discovery Vitality. SF is coach to the South African Paralympic team. LS and JB attended the IPC meeting in Doha, 2015 at the invitation of the Medical Committee of the International Paralympic Committee. This does not alter our adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceptualization: LS JB. Formal analysis: JB DR LS. Funding acquisition: LS. Investigation: LS JB DR. Methodology: JB LS DR. Project administration: JB. Resources: DR JB LS. Supervision: LS. Writing – original draft: LS JB. Writing – review & editing: LS JB DR SF CB WD.