García-Tizón Larroca, Santiago
Amor Valera, Francisco
Ayuso Herrera, Esther
Cueto Hernandez, Ignacio
Cuñarro Lopez, Yolanda
De Leon-Luis, Juan
Article History
Received: 8 September 2019
Accepted: 27 March 2020
First Online: 16 April 2020
Ethics approval and consent to participate
: This is a systematic review of the literature so consent to participate was not required. Ethical approval was not required either.
: Not Applicable
: The authors declare that they have no competing interests.