Vázquez, Fernando L.
Torres, Ángela
Otero, Patricia
Blanco, Vanessa
Clifford Attkisson, C.
Article History
First Online: 8 August 2017
Compliance with Ethical Standards
:
: The author declared no conflicts of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and 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.