1. Oswaldo Cruz Foundation; National Institute of Quality Control in Health; Av. Brasil 4365 Manguinhos Rio de Janeiro Brazil 21040-9000
2. Mental Health Centre, Christian Medical Centre; Department of Psychiatry; Unit 2 Bagayam Vellore Tamil Nadu India 632002
3. 48 Waddington Drive West Bridgford Nottingham UK NG2 7GX
4. University of Colorado Depression Centre; Department of Psychiatry; 13199 East Montview Boulevard Aurora Colorado USA 80045