[1] Univ Sao Paulo, Sch Nursing, Dept Maternal Child & Psychiat Nursing, Teaching Lab, Sao Paulo, Brazil
[2] Univ Fed Minas Gerais, Sch Nursing, Belo Horizonte, MG, Brazil
[3] Univ Sao Paulo, Sch Nursing, Grad Program Hlth Sci, Sao Paulo, Brazil
[4] Hosp & Maternidade Sao Luiz, Sao Paulo, Brazil
[5] Univ Sao Paulo, Fac Med, Bercario Anexo Maternidade Hosp Clin, Sao Paulo, Brazil
[6] Univ Sao Paulo, Sch Nursing, Dept Maternal Child & Psychiat Nursing, Sao Paulo, Brazil