[1] Sanofi, Lysaker, Norway
[2] Univ Copenhagen, Copenhagen, Denmark
[3] Univ Southern Denmark, Odense, Denmark
[4] Haukeland Hosp, Bergen, Norway
[5] Drammen Hosp, Drammen, Norway
[6] Linkoping Univ Hosp, Linkoping, Sweden
[7] Motala Hosp, Dept Neurol, Motala, Sweden
[8] Sanofi, Cambridge, MA USA
[9] Sanofi, Stockholm, Sweden