1. Stop TB Partnership Secretariat, World Health Organization, avenue Appia 20, 1211 Geneva 27, Switzerland.
2. Central TB Division, Ministry of Health and Family Welfare, New Delhi, India.
3. National TB Programme, Ministry of Health, Brasilia, Brazil.
4. Department of Tuberculosis, Northern State Medical University, Arkhangelsk, Russia.
5. National Center for Tuberculosis Control and Prevention of China, Beijing, China.
6. Department of Health, Pretoria, South Africa.