Funding for this research was provided by:
Ministerio de Sanidad, Servicios Sociales e Igualdad
V Plan Propio de Investigación de la Universidad de Sevilla 2014
Text and Data Mining valid from 2018-05-16
Received: 17 May 2017
Accepted: 1 May 2018
First Online: 16 May 2018
Ethics approval and consent to participate
: Data used in this study was collected as part of the larger study Health Behaviour in School-Children in Spain. The data used in the present study was available to the authors as members of the HBSC Spain research team.This study has fulfilled the requirements of the Research Ethical Committee of the University of Seville. Passive consent was obtained from the participants’ parents, who could not to authorize the participation of their daughters in the study through a signed consent but did not have to do anything if they agreed with the study.
: The authors declare that they have no competing interests.
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