Funding for this research was provided by:
Spanish Ministry of Economy, Industry and Competitiveness - Programa Retos (RTC-2016-4733-1)
Agentúra na Podporu Výskumu a Vývoja (APVV-15-0544)
Article History
Received: 11 April 2018
Accepted: 13 June 2018
First Online: 20 June 2018
Compliance with ethical standards
:
: The authors declare no financial or personal conflicts of interest that might affect any aspect of this study.
: All procedures performed in the study were in accordance with the ethical standards of the institutional research committee, with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.