Funding for this research was provided by:
Fundación Española del Enfermo Crítico
Societat Catalana de Medicina Intensiva i Crítica
Text and Data Mining valid from 2019-02-21
Received: 21 October 2018
Accepted: 7 February 2019
First Online: 21 February 2019
Compliance with ethical standards
: All named authors declare that they have no conflicts of interests.
: The institutional review board of PSMAR approved the original study (IRB Ref 2017/7183/I).