Cornellà, Natalia
Sancho, Joan
Sitges-Serra, Antonio
Article History
Received: 17 May 2017
Accepted: 31 July 2017
First Online: 23 August 2017
Competing Interests
: The authors declare no competing interests that could have influenced their work. The resources and facilities of the of the Hospital del Mar were used in conducting this study. There was no additional source of funding.