de la Fuente-Gonzalo, Félix
Nieto, Jorge M.
Villegas, Ana
González, Fernando A.
Martínez, Rafael
Ropero, Paloma
Article History
Received: 26 July 2018
Accepted: 15 April 2019
First Online: 25 April 2019
Compliance with ethical standards
: The study was reviewed and approved by the Ethics Committee of the Hospital Clínico San Carlos, Madrid, Spain. All the procedures were performed in accordance with the principles of the Declaration of Helsinki.
: The authors declare that they have no conflicts of interest.