Received: 11 July 2019
Accepted: 27 August 2019
First Online: 7 September 2019
Compliance with ethical standards
: The authors declare that they have no conflicts of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the Local Ethics Committee of Hospital Universitari de Vic.
: The study was based on the collection of data generated by clinical practice. Thus, informed consent was not considered necessary because inclusion in this study did not constitute a specific intervention.