1. Sergio Arouca National School of Public Health; Nucleus for Pharmaceutical Policies; Rua Leopoldo Bulhões, 1480 - Manguinhos Rio de Janeiro Brazil 21041 210
2. Harvard Medical School & Harvard Pilgrim Health Care Institute; Department of Population Medicine, Drug Policy Research Group; Boston MA USA
3. Rio de Janeiro Municipality Health Secretariat; Rio de Janeiro Brazil
4. Ministry of Health Brazil; National Cancer Institute; Rio de Janeiro Brazil
5. Norwegian Knowledge Centre for the Health Services; Global Health Unit; P.O. Box 7004, St. Olavs plass Oslo Norway N-0130