Text and Data Mining valid from 2018-05-18
Received: 20 October 2017
Accepted: 15 May 2018
First Online: 18 May 2018
Compliance with ethical standards
: GM and MMF have no conflict of interest. CLE and OD received payment for educational talks and scientific conferences from MSD (Merck Sharp & Dohme, Inc.). No conflict of interests related with the present work.
: Ethical approval was granted by the applicable Institutional Review Board as detailed in the text.