[1] Rama Med Coll Hosp & Res Ctr, Hapur, India
[2] All India Inst Med Sci AIIMS, Jodhpur, India
[3] Seth Gordhandas Sunderdas GS Med Coll, Dept Internal Med, Mumbai, India
[4] King Edward Mem KEM Hosp, Mumbai, India
[5] Kathmandu Med Coll, Kathmandu, Nepal
[6] Teaching Hosp, Kathmandu, Nepal
[7] Univ Jordan, Sch Med, Amman, Jordan
[8] Bukovinian State Med Univ, Chernovtsy, Ukraine
[9] Kathmandu Med Coll, Kathmandu 44600, Nepal
[10] Teaching Hosp, Kathmandu 44600, Nepal