Funding for this research was provided by:
Merck Sharp and Dohme Spain
Text and Data Mining valid from 2018-05-21
Received: 18 April 2018
Accepted: 10 May 2018
First Online: 21 May 2018
Compliance with ethical standards
: This document does not recommend drugs or specific instruments from which the participants or the financer could economically benefit from their exploitation.