[1] BP Koirala Inst Hlth Sci, Sch Publ Hlth & Community Med, Dharan, Nepal
[2] Union South East Asia Off, Int Union TB & Lung Dis, Ctr Operat Res, New Delhi, India
[3] Int Union TB & Lung Dis, Ctr Operat Res, Paris, France
[4] Int Union TB & Lung Dis, Ctr Operat Res, Mandalay, Myanmar
[5] Johns Hopkins Univ Hosp, Div Gen Internal Med, Baltimore, MD 21287 USA
[6] Johns Hopkins Univ, Sch Med, Baltimore, MD 21218 USA
[7] Teaching Hosp & Res Ctr, Kantipur Dent Coll, Dept Orthodont, Kathmandu, Nepal
[8] BP Koirala Inst Hlth Sci, Dept Clin Pharmacol & Therapeut, Dharan, Nepal
[9] Govt Nepal, Minist Hlth & Populat, Dept Hlth Serv, Dharan, Nepal