Text and Data Mining valid from 2019-04-05
First Online: 5 April 2019
Compliance with Ethical Standards
: AGH is a Miguel Servet Fellow (Instituto de Salud Carlos III—CP18/0150). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.
: Antonio García-Hermoso, Rodrigo Ramírez-Campillo, and Mikel Izquierdo declare that they have no conflicts of interest relevant to the content of this review.