Friães, Ana
Pato, Catarina
Melo-Cristino, José
Ramirez, Mario
Article History
Received: 20 March 2015
Accepted: 5 June 2015
First Online: 15 July 2015
Competing interests
: J. M-C. received research grants administered through his university and received honoraria for serving on the speakers bureaus of Pfizer, Novartis and Gilead. M.R. received honoraria for serving on speakers bureau of Pfizer and for consulting from GlaxoSmithKline. A.F. and C.P. declare no conflict of interest. No company or financing body had any interference in the decision to publish.