1. Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, ON, Canada
2. Cochrane Multiple Sclerosis and Rare Diseases of the CNS Review Group, IRCCS Istituto delle Scienze Neurologiche di Bologna, Bologna, Italy
3. The WHO Collaborating Centre in Evidence-Based Research Synthesis and Guideline Development Direzione Generale Cura della Persona Salute e Welfare, Regione Emilia-Romagna, Bologna, Italy
4. Cochrane Multiple Sclerosis and Rare Diseases of the CNS Review Group, Scientific Director‘s Office, Carlo Besta Foundation and Neurological Institute, Milan, Italy
5. Multiple Sclerosis International Federation, London, UK
6. Department of Medicine, McMaster University, Hamilton, ON, Canada