Clos, Enric http://orcid.org/0000-0001-8241-5637
Pruna, Ricard
Lundblad, Matilda
Artells, Rosa
Esquirol Caussa, Jordi
Article History
Received: 8 September 2018
Accepted: 25 January 2019
First Online: 5 February 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This study was approved by the Ethics Committee of the Universitat de Barcelona, Barcelona, Spain (registry no. IRB00003099).