1. Department of Psychiatry, Escola Paulista de Medicina, Federal University of Sao Paulo, Sao Paulo, Brazil
2. Department of Gynaecology, Escola Paulista de Medicina, Federal University of Sao Paulo, Sao Paulo, Brazil
3. All India Institute of Medical Sciences, New Delhi, India
4. Department of Epidemiological and Psychosocial Research, Ministry of Health, National Institute of Psychiatry Ramón de la Fuente Muñíz, Mexico City, Mexico