Text and Data Mining valid from 2018-11-10
Received: 25 September 2018
Accepted: 2 November 2018
First Online: 10 November 2018
Compliance with ethical standards
: EG, GC, MK, GC, AB, CAS have none to declare; Carlo Selmi has been consulting for BMS and Pfizer.
: The present work was approved by IRB of University of Pavia, Italy (deliberation of 12/03/2012).