Spelman, Tim, Gray, Orla, Boz, Cavit, Verheul, Freek, Oreja-Guevara, Celia, Barnett, Michael, Grand'Maison, Francois, Rio, Maria Edite, Lechner-Scott, Jeannette, Van Pesch, Vincent, Bolanos, Ricardo Fernandez, Flechter, Shlomo, Trojano, Maria, Braber-Moerland, Leontien Den, Iuliano, Gerardo, Amato, Maria Pia, Slee, Mark, Cristiano, Edgardo, Saladino, Maria Laura, Paine, Mark, Vella, Norbert, Kasa, Krisztian, Deri, N, Petersen, Thor, Herbert, Joseph, Moore, Fraser, Petkovska-Boskova, Tatjana, Alroughani, Raed, Savino, Aldo, Shaw, Cameron, Vucic, Steve, Santiago, Vetere, Bacile, Elizabeth Alejandra, Skromne, Eli, Izquierdo, Guillermo, Poehlau, Dieter, Cabrera-Gomez, Jose Antonio, Lucas, Robyn, Butzkueven, Helmut, Lugaresi, Alessandra, Hupperts, Raymond, Bergamaschi, Roberto, Duquette, Pierre, Giuliani, Giorgio. John Wiley and Sons; 2014. Seasonal variation of relapse rate in multiple sclerosis is latitude dependent.