González de Vega, Raquel
Clases, David
Fernández-Sánchez, María Luisa
Eiró, Noemí
González, Luis O.
Vizoso, Francisco J.
Doble, Philip A.
Sanz-Medel, Alfredo
Article History
Received: 12 July 2018
Revised: 20 August 2018
Accepted: 6 September 2018
First Online: 15 September 2018
Compliance with ethical standards
: The study adheres to national regulations and was approved by the Hospital de Jove Foundation Ethics and Investigation Committee (PI02/2018). 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.
: The authors declare that they have no conflict of interests.