1. Ciudad Real General University Hospital, Ciudad Real, Spain
2. Medical Services of the Royal Spanish Athletics Federation (RFEA), Madrid, Spain
3. Anti-Doping Officer of the Spanish Commission for the Fight against Doping in Sport (CELAD), Madrid, Spain
4. Sports Performance Research Group (GIRD), University of Castilla-La Mancha, Toledo, Spain
5. Integrative Locomotion Laboratory, Department of Kinesiology, University of Massachusetts, Amherst, Massachusetts, United States