Received: 6 July 2019
Accepted: 5 January 2020
First Online: 16 January 2020
Ethics approval and consent to participate
: Our local Ethical Committee and Institutional Review Board approved this observational study. Patients, during the telephone contact have provided informed consent to the processing of personal data.
: IC, FDM, PE, MR, GC, MH, PF, LMC declare that they have no competing interests. PS reports has received research grants from Allergan. PC has received research grants from: Bayer, Schering, Biogen, BoehringerIngelheim, Eisai, Novartis, Lundbeck, Merck Sharp & Dohme, Sanofi-Aventis, Sigma-Tau, and UCB Pharma.