Funding for this research was provided by:
Text and Data Mining valid from 2019-02-13
First Online: 13 February 2019
Compliance with ethical standards
: NM and LS-C are employees of Pfizer (Spain). MLS works for Pfizer (Spain). RC, EV, JAG-A, FC and JA have received compensation from Pfizer (Spain) for their participation as investigators of PEGASO study. RC has received compensation from Pfizer (Spain) for their participation as research coordinator of PEGASO study. RC, EV, FC and JA have received speaker honoraria from Pfizer (Spain).
: The study was approved by the Clinical Research Ethics Committee of every participant site. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committees and with the 1964 Helsinki declaration and its later amendments.
: Informed consent was obtained from all individual participants included in the study.