Funding for this research was provided by:
Ministerio de Ciencia e Innovación (DEP2015-69692-P)
Ministerio de Educación, Cultura y Deporte (FPU16/00342, FPU14/01678)
Received: 29 March 2019
Accepted: 18 July 2019
First Online: 24 July 2019
Ethics approval and consent to participate
: All procedures performed in this study were in accordance with the ethical standards of the research committee recommendations and with the 1964 Helsinki Declaration and its later amendments. This study received the previous approval of the Ethics Committee of the Universitat de València with the following number: HI 436947544660. Written informed consent was obtained from all individual participants included in the study.
: Not applicable.
: The authors have no potential conflicts of interest to disclose.