About the Authors

Ambra Mara Giovannetti

Roles Writing – original draft, Writing – review & editing

Affiliations Unit of Neuroepidemiology, Foundation IRCCS Neurological Institute C. Besta, Milan, Italy, Department of Neuroimmunology and Neuromuscular Diseases, Foundation IRCCS Neurological Institute C. Besta, Milan, Italy

Claudia Borreani

Roles Conceptualization, Formal analysis, Methodology, Writing – original draft, Writing – review & editing

Affiliation Unit of Clinical Psychology, Foundation IRCCS Istituto Nazionale per la Cura dei Tumori, Milan, Italy

Elisabetta Bianchi

Roles Data curation, Formal analysis, Investigation, Writing – review & editing

Affiliation Unit of Clinical Psychology, Foundation IRCCS Istituto Nazionale per la Cura dei Tumori, Milan, Italy

Andrea Giordano

Roles Conceptualization, Writing – review & editing

Affiliation Unit of Neuroepidemiology, Foundation IRCCS Neurological Institute C. Besta, Milan, Italy

Sabina Cilia

Roles Data curation, Investigation, Writing – review & editing

Affiliation MS Centre, Neurology Clinic, University Hospital Policlinico Vittorio Emanuele, Catania, Italy

Susanna Cipollari

Roles Data curation, Investigation, Writing – review & editing

Affiliation Multiple Sclerosis Unit, Foundation IRCCS S. Lucia, Rome, Italy

Ilaria Rossi

Roles Writing – review & editing

Affiliation Multiple Sclerosis Unit, Foundation IRCCS S. Lucia, Rome, Italy

Claudia Cavallaro

Roles Writing – review & editing

Affiliation MS Centre, Neurology Clinic, University Hospital Policlinico Vittorio Emanuele, Catania, Italy

Valentina Torri Clerici

Roles Writing – review & editing

Affiliation Department of Neuroimmunology and Neuromuscular Diseases, Foundation IRCCS Neurological Institute C. Besta, Milan, Italy

Edoardo Rossetti

Roles Writing – review & editing

Affiliation Department of Neuroimmunology and Neuromuscular Diseases, Foundation IRCCS Neurological Institute C. Besta, Milan, Italy

Maria Consiglia Stefanelli

Roles Writing – review & editing

Affiliation ANTEA Charitable Foundation, Rome, Italy

Amadio Totis

Roles Writing – review & editing

Affiliation Department of Neuroimmunology and Neuromuscular Diseases, Foundation IRCCS Neurological Institute C. Besta, Milan, Italy

Angelo Pappalardo

Roles Writing – review & editing

Affiliation MS Centre, Neurology Clinic, University Hospital Policlinico Vittorio Emanuele, Catania, Italy

Gina Occhipinti

Roles Writing – review & editing

Affiliation MS Centre, Neurology Clinic, University Hospital Policlinico Vittorio Emanuele, Catania, Italy

Paolo Confalonieri

Roles Writing – review & editing

Affiliation Department of Neuroimmunology and Neuromuscular Diseases, Foundation IRCCS Neurological Institute C. Besta, Milan, Italy

Simone Veronese

Roles Writing – review & editing

Affiliation FARO Charitable Foundation, Turin, Italy

Maria Grazia Grasso

Roles Writing – review & editing

Affiliation Multiple Sclerosis Unit, Foundation IRCCS S. Lucia, Rome, Italy

Francesco Patti

Roles Writing – review & editing

Affiliation MS Centre, Neurology Clinic, University Hospital Policlinico Vittorio Emanuele, Catania, Italy

Paola Zaratin

Roles Writing – review & editing

Affiliation Scientific Research Area, Italian Multiple Sclerosis Foundation (FISM), Genoa, Italy

Mario Alberto Battaglia

Roles Writing – review & editing

Affiliation Department of Life Sciences, University of Siena, Siena, Italy

Alessandra Solari

Roles Conceptualization, Funding acquisition, Project administration, Supervision, Writing – original draft, Writing – review & editing

alessandra.solari@istituto-besta.it

Affiliation Unit of Neuroepidemiology, Foundation IRCCS Neurological Institute C. Besta, Milan, Italy

on behalf of the PeNSAMI project

Membership of the PeNSAMI Project is provided in the Acknowledgments.

Competing Interests

FP has received speaking honoraria from, and has been a board member of: Alimirall, Bayer, Biogen, Celgene, Merck, Novartis, Roche, Sanofi Genzyme, and Teva. VTC has been a board member of Merck, Novartis, Sanofi Genzyme. She has received travel expenses from Almirall, Biogen, Merck; speaking/writing honoraria from Almirall, Merck, and Teva; and support from Almirall for a research project. AS has been a board member of Biogen, Merck, and Novartis; she has received speaker honoraria from Almirall, Excemed, Merck, Sanofi Genzyme, and Teva. The authors confirm that this declaration does not alter the authors’ adherence to all PLOS ONE policies on sharing data and materials.