1. World Health Organization, Geneva, Switzerland.
2. National Center for Tuberculosis Control and Prevention, Chinese Center for Disease Control, Beijing, China.
3. Center for Health Management and Policy, Key Lab of Health Economic and Policy Research of Ministry of Health, Shandong University, No 44 Wenhua Rd, Mailbox 128, Jinan, Shandong 250012, China.
4. Bill & Melinda Gates Foundation, Beijing, China.
5. World Health Organization, Beijing, China.