[1] Hosp Clin Porto Alegre, Dept Internal Med, Porto Alegre, RS, Brazil
[2] Publ Hlth State Dept Rio Grande Sul, Porto Alegre, RS, Brazil
[3] Hosp Clin Porto Alegre, Med Genet Serv, Porto Alegre, RS, Brazil
[4] Hosp Clin Porto Alegre, Serv Radiol, Porto Alegre, RS, Brazil
[5] Univ Fed Rio Grande do Sul, Dept Genet, Porto Alegre, RS, Brazil