Text and Data Mining valid from 2019-04-09
Received: 29 January 2019
Accepted: 1 April 2019
First Online: 9 April 2019
Compliance with ethical standards
: Chiara Centonze and Giovanna Orlando are Employees of Merck Serono. Sandro Loche is member of the ECOS International Steering Committee and has received research support and lecture fees from Merck Serono.
: The study was approved by the local ethical committees.
: Written informed consent was obtained from the patients and/or from their legal guardians prior to their enrollment in the study.