Funding for this research was provided by:
European Regional Development Fund
Spanish Ministry of Health (15/01810)
Text and Data Mining valid from 2020-02-13
Received: 3 September 2019
Accepted: 6 February 2020
First Online: 13 February 2020
Ethics approval and consent to participate
: This study was approved by an independent ethics committee and institutional review board from Hospital Universitario de Canarias (Spain) (code 2015_06), and all subjects provided written informed consent.
: In this manuscript, individual patient data are not presented.
: The authors declare that they have no competing interests.