Incidence and course of depression in multiple sclerosis in the multinational BEYOND trial

Schippling, S; O’Connor, P; Knappertz, V; Pohl, C; Bogumil, T; Suarez, G; Cook, S; Filippi, Massimo; Hartung, Hp; Comi, Giancarlo; Jeffery, Dr; Kappos, L; Goodin, Ds; Arnason, B.