Funding for this research was provided by:
Spanish Ministry of Economy, Industry and Competitiveness (PSI2017-85134-R)
Article History
Received: 24 October 2019
Accepted: 17 January 2020
First Online: 23 January 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: Informed consent was obtained from all individual participants included in the study.