Defining secondary progressive multiple sclerosis

- Lorscheider, Johannes, Buzzard, Katherine, Jokubaitis, Vilija, Spelman, Tim, Horakova, Dana, Trojano, Maria, Izquierdo, Guillermo, Girard, Marc, Duquette, Pierre, Prat, Alexandre, Lugaresi, Alessandra, Grand'Maison, François, Grammond, Pierre, Hupperts, Raymond, Alroughani, Raed, Sola, Patrizia, Boz, Cavit, Pucci, Eugenio, Lechner-Scott, Jeanette, Bergamaschi, Roberto, Oreja-Guevara, Celia, Iuliano, Gerardo, Van Pesch, Vincent, Granella, Franco, Ramo-Tello, Cristina, Spitaleri, Daniele, Petersen, Thor, Slee, Mark, Verheul, Freek, Ampapa, Radek, Amato, Maria Pia, McCombe, Pamela, Vucic, Steve, Sánchez Menoyo, José Luis, Cristiano, Edgardo, Barnett, Michael H., Hodgkinson, Suzanne, Olascoaga, Javier, Laura Saladino, Maria, Havrdova, Eva, Gray, Orla, Shaw, Cameron, Moore, Fraser, Butzkueven, Helmut, Kalincik, Tomas

Higher latitude is significantly associated with an earlier age of disease onset in multiple sclerosis

- Tao, Chunrong, Simpson, Steve, Duquette, Pierre, Girard, Marc, Grand'Maison, Francois, Grammond, Pierre, Alroughani, Raed, Terzi, Murat, Oreja-Guevara, Celia, Sajedi, Seyed Aidin, Iuliano, Gerardo, Sola, Patrizia, van der Mei, Ingrid, Lechner-Scott, Jeannette, Van Pesch, Vincent, Pucci, Eugenio, Bergamaschi, Roberto, Barnett, Michael, Ramo, Cristina, Singhal, Bhim, Spitaleri, Daniele L. A., Slee, Mark, Verheul, Freek, Blizzard, Leigh, Fernández Bolaños, Ricardo, Amato, Maria Pia, Cristiano, Edgardo, Granella, Franco, Hodgkinson, Suzanne, Fiol, Marcela, Gray, Orla, McCombe, Pamela, Saladino, Maria Laura, Sánchez Menoyo, José Luis, Havrdova, Eva, Shuey, Neil, Vucic, Steve, Shaw, Cameron, Deri, Norma, Arruda, Walter Oleschko, Butzkueven, Helmut, Spelman, Tim, Taylor, Bruce V., Horakova, Dana, Shaygannejad, Vahid, Lugaresi, Alessandra, Izquierdo, Guillermo, Trojano, Maria