Obrador, Biel https://orcid.org/0000-0003-4050-0491
von Schiller, Daniel https://orcid.org/0000-0002-9493-3244
Marcé, Rafael https://orcid.org/0000-0002-7416-4652
Gómez-Gener, Lluís https://orcid.org/0000-0003-3279-3589
Koschorreck, Matthias https://orcid.org/0000-0002-4393-3500
Borrego, Carles https://orcid.org/0000-0002-2708-3753
Catalán, Núria https://orcid.org/0000-0002-2433-4190
Article History
Received: 6 July 2017
Accepted: 24 January 2018
First Online: 14 February 2018
Competing Interests
: The authors declare no competing interests.