About the Authors

Sandra B. van Os

s.b.van-os@herts.ac.uk

Affiliation Psychology and Sport Sciences Department, School of Life and Medical Sciences, University of Hertfordshire, Hatfield, United Kingdom

Nick A. Troop

Affiliation Psychology and Sport Sciences Department, School of Life and Medical Sciences, University of Hertfordshire, Hatfield, United Kingdom

Keith R. Sullivan

Affiliation Psychology and Sport Sciences Department, School of Life and Medical Sciences, University of Hertfordshire, Hatfield, United Kingdom

Daniel P. Hart

Affiliations The Royal London Hospital Haemophilia Centre, Barts Health NHS Trust, London, United Kingdom, Barts and The London School of Medicine and Dentistry, QMUL, London, United Kingdom

Competing Interests

Dr Hart, Dr Troop and Dr van Os are currently involved in research funded by Baxalta (part of Shire). Dr Hart has received research support from Bayer (Early Career Investigator Award) and Octapharma; travel support from Octapharma and honoraria from Baxter, Bayer, Novo Nordisk and Pfizer. Dr van Os has received travel support and honoraria from Bayer.

Author Contributions

Conceptualization: DPH NT SvO. Data curation: SvO. Formal analysis: NT KS SvO. Funding acquisition: NT SvO. Investigation: SvO. Methodology: DPH NT SvO. Project administration: SvO. Resources: DPH NT SvO. Supervision: DPH NT KS. Visualization: SvO. Writing – original draft: SvO. Writing – review & editing: DPH NT KS SvO.