Funding for this research was provided by:
Fundação para a Ciência e a Tecnologia (GHTM – UID/Multi/04413/2013, POCH-PD/BD/128444/2017)
Received: 11 September 2018
Accepted: 4 September 2019
First Online: 23 September 2019
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of Coimbra University Hospital Centre (CHUC). The CHUC’s board approved and welcomed the study. Verbal and written consent were provided by all participants, as required.
: Not applicable.
: The authors EC and AP disclosure that during the study, they were employees of CHUC. All other authors declare that there is no conflict of interest.