[1] TEXAS TECH UNIV, HLTH SCI CTR, DEPT INTERNAL MED, LUBBOCK, TX 79430 USA
[2] MINIST HLTH, DEPT MED RES, CLIN RES DIV, Yangon, MYANMAR
[3] UNIV RANGOON, DEPT PSYCHOL, Yangon, MYANMAR
[4] INST MED, DEPT CHILD HLTH, Yangon, MYANMAR
[5] N OKKALAPA GEN HOSP, Yangon, MYANMAR