Funding for this research was provided by:
Instituto de Salud Carlos III (15/01810)
Text and Data Mining valid from 2019-01-18
Received: 21 July 2018
Accepted: 2 January 2019
First Online: 18 January 2019
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), 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.
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