Multiple sclerosis in South America: month of birth in different latitudes does not seem to interfere with the prevalence or progression of the disease oleh Yara Dadalti Fragoso, Tarso Adoni, Sandra Maria Garcia de Almeida, Soniza Vieira Alves-Leon, Walter Oleschko Arruda, Fiorella Barbagelata-Aguero, Joseph Bruno Bidin Brooks, Adriana Carra, Rinaldo Claudino, Elizabeth Regina Comini-Frota, Eber Castro Correa, Alfredo Damasceno, Benito Pereira Damasceno, Ethel Ciampi Diaz, David George Elliff, Ana Patricia Peres Fiore, Clelia Maria Ribeiro Franco, Maria Cristina Brandao Giacomo, Sidney Gomes, Marcus Vinicius Magno Goncalves, Anderson Kuntz Grzesiuk, Jose Luiz Inojosa, Damacio Ramon Kaimen-Maciel, Katia Lin, Josiane Lopes, Gisele Alexandre Lourenco, Alejandra Diana Martinez, Mario Oscar Melcon, Nivea de Macedo Oliveira Morales, Rogerio Rizo Morales, Marcos Moreira, Shirlene Vianna Moreira, Celso Luis da Silva Oliveira, Francisco Tomaz Menezes de Oliveira, Joao Batista Ribeiro, Sonia Beatriz Felix Ribeiro, Claudia Carcamo Rodriguez, Liliana Russo, Juliana Safanelli, Kirsty Deborah Shearer, Fabio Siquineli, Darwin Vizcarra-Escobar