Funding for this research was provided by:
Ministerio de Economía y Competitividad (SAF2014-56336-R and SAF2017-84267-R)
Consellería de Cultura, Educación e Ordenación Universitaria, Xunta de Galicia (GRC2014/027)
Instituto de Salud Carlos III (IFI15/00111, CPII17/00027, RETICS-INVICTUS-PLUS (RD16/0019), CP14/00154, IN606A-2018/031, PIE13/00024; PI17/01103)
Text and Data Mining valid from 2020-02-28
Received: 4 October 2019
Accepted: 19 February 2020
First Online: 28 February 2020
Ethics approval and consent to participate
: This research was carried out in accordance with the Declaration of Helsinki of the World Medical Association (2008), approved by the Ethics Committee of the Servizo Galego de Saúde. Written informed consent was obtained from each patient after full discussion of the procedures. For patients who not being able to provide informed consent, their next of kin was contacted, discussed about study participation, and written informed consent was acquired.
: Not applicable.
: The authors declare that they have no competing interests.