[1] Univ Fed Rio Grande do Sul, Hosp Nossa Senhora Conceicao, Postgrad Programs Med Sci, Med Genet Serv,Neurol Serv,Hosp Clin Porto Alegre, Porto Alegre, RS, Brazil
[2] Hosp Clin Porto Alegre, Med Genet Serv, Porto Alegre, RS, Brazil
[3] Univ Fed Rio Grande do Sul, Hosp Clin Porto Alegre, Postgrad Program Genet & Mol Biol, Neurol Serv, Porto Alegre, RS, Brazil
[4] Hosp Nossa Senhora Conceicao, Hosp Clin Porto Alegre, Neurol Serv, Med Genet Serv, Porto Alegre, RS, Brazil
[5] Hosp Clin Porto Alegre, Neurol Serv, Porto Alegre, RS, Brazil
[6] Univ Fed Rio Grande do Sul, Postgrad Program Genet & Mol Biol, Porto Alegre, RS, Brazil
[7] Univ Fed Rio Grande do Sul, Dept Stat, Porto Alegre, RS, Brazil
[8] Dept Stat, Porto Alegre, RS, Brazil
[9] Univ Fed Rio Grande do Sul, Hosp Clin Porto Alegre, Postgrad Programs Med Sci, Dept Biochem,Med Genet Serv, Porto Alegre, RS, Brazil
[10] Univ Fed Rio Grande do Sul, Dept Biochem, Porto Alegre, RS, Brazil
[11] Univ Fed Ciencias Saude Porto Alegre, Univ Fed Rio Grande Sul, Hosp Clin Porto Alegre, Postgrad Programs Med Sci,Neurol Serv, Porto Alegre, RS, Brazil
[12] Univ Fed Rio Grande do Sul, Hosp Clin Porto Alegre, Post Grad Program Med Sci, Dept Internal Med,Med Genet Serv, Porto Alegre, RS, Brazil