1 Faculty of Sports Sciences, Universidad Europea de Madrid, Madrid, Spain. Electronic address: pedroluis.valenzuela@universidadeuropea.es.
2 Department of Nutritional Sciences, University of Arizona, Tucson, AZ, USA; Department of Pediatrics, University of Arizona, Tucson, AZ, USA; Department of Immunobiology, University of Arizona, Tucson, AZ, USA.
3 Fissac-Physiology, Health and Physical Activity, Madrid, Spain.
4 Faculty of Sports Sciences, Universidad Europea de Madrid, Madrid, Spain; Research Institute, Physical Activity and Health Research Group (PaHerg), Hospital 12 de Octubre ('imas12'), Madrid, Spain.