Received: 11 December 2017
Accepted: 17 April 2018
First Online: 2 May 2018
Ethics approval and consent to participate
: Not applicable.
: Noelia López and María San-Martin are employees from Medical Department of MSD, Aureli Torné and Agustín Franco, received honoraria for participating in the study. Elisabet Viayna, Carmen Barrull and Nuria Perulero are employees from IQVIA whose services were hired to conduct this study.
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