Funding for this research was provided by:
Gobierno de Aragón (B01_17R)
Received: 9 January 2019
Accepted: 30 July 2019
First Online: 19 August 2019
Ethics approval and consent to participate
: This study was approved by the Clinical Research Ethics Committee of Aragón (CEICA, PI17/0024). The CEICA waived the requirement to obtain the informed consent from patients since the information used was anonymized.
: Not applicable.
: The authors declare that they have no competing interests.