[1] Hosp Clin Porto Alegre, Ctr Drug & Alcohol Res, Porto Alegre, RS, Brazil
[2] Univ Fed Rio Grande do Sul, Porto Alegre, RS, Brazil
[3] Univ Fed Sao Paulo, Dept Psychobiol, Sao Paulo, Brazil
[4] Univ Fed Rio de Janeiro, Inst Psychiat, Rio De Janeiro, Brazil
[5] Univ Sao Paulo, Women Drug Dependent Treatment Ctr, Sao Paulo, Brazil