Department of Medical Sciences in Sport, Faculty of Sport, University of Ljubljana, Ljubljana, Slovenia (Dr Kambič); Heart Centre Hasselt, Jessa Hospital, Hasselt, Belgium (Dr Hansen); BIOMED (Biomedical Research Institute) and REVAL (Rehabilitation Research Centre) (REVAL/BIOMED), Hasselt University, Diepenbeek, Belgium (Dr Hansen); and Clinical Exercise Physiology Program, Human Performance Laboratory, Ball State University, Muncie, Indiana (Dr Harber).

Correspondence: Tim Kambič, PhD, MKin, Department of Medical Sciences in Sport, Faculty of Sport, University of Ljubljana, Gortanova 22, 1000 Ljubljana, Slovenia ([email protected]).

The authors declare no conflicts of interest.