Funding for this research was provided by:
Spanish Ministry of Education, Culture and Sport (FPU15/03847, FPU13/03137)
Text and Data Mining valid from 2017-11-13
Received: 14 July 2017
Accepted: 23 October 2017
First Online: 13 November 2017
Compliance with ethical standards
: The authors have no conflict of interest to declare.
: Ethical clearance for the study was obtained from the Clinical Research Ethics Committee of the Virgen de la Luz Hospital in Cuenca, Universidad Castilla-La Mancha, Spain. Written informed consent was obtained from all individual participants. All procedures performed in this study involving human participants were in accordance with the ethical standards of the institutional research committee and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: This work was supported by the Fundación para la Investigación Sanitaria en Castilla-La Mancha (FISCAM) (Ref.-AN/2008/31). Additional funding was obtained from the Instituto de Salud Carlos III, Red de Investigación en Actividades Preventivas y de Promoción de Salud (Ref.- RD06/0018/0038). CAB and MGM are supported by grants from the Spanish Ministry of Education, Culture and Sport (FPU13/03137 and FPU15/03847, respectively).