1 Physical Activity and Health Research Group (PaHerg), Research Institute of Hospital 12 de Octubre ('i+12'), Madrid 28041, Spain. Electronic address: cfiuza.imas12@h12o.es.
2 Physical Activity and Health Research Group (PaHerg), Research Institute of Hospital 12 de Octubre ('i+12'), Madrid 28041, Spain; Department of Systems Biology, University of Alcalá, Madrid 28871, Spain.
3 i+HeALTH Research Group, Department of Health Sciences, European University Miguel de Cervantes, Valladolid 47012, Spain.
4 Department of Medical Oncology, Hospital Universitario Puerta de Hierro Majadahonda, Instituto de Investigación Sanitaria Puerta de Hierro-Segovia de Arana (IDIPHISA), Madrid 28220, Spain.
5 Faculty of Sport Sciences, Universidad Europea de Madrid, Madrid 28670, Spain.