1 Department of Exercise and Sport Science, University of North Carolina, USA. Electronic address: zkerr@email.unc.edu.
2 School of Medical and Health Sciences, Edith Cowan University, Australia.
3 Department of Exercise and Sport Science, University of North Carolina, USA.
4 University Hospitals Dorset NHS Foundation Trust, United Kingdom; School of Sport, Health and Exercise Science, University of Portsmouth, United Kingdom.