[1] Sch Med Sci & Res, Dept Resp Med, Greater Noida, Uttar Pradesh, India
[2] Varun Arjun Med Coll, Dept TB & Resp Med, Shahjahanpur, Uttar Pradesh, India
[3] Fh Med Coll, Dept TB & Resp Med, Tundla Firozabad, Uttar Pradesh, India
[4] SN Med Coll & Hosp, Dept TB & Resp Med, Agra, Uttar Pradesh, India
[5] SN Med Coll & Hosp, Dept Psychiat, Agra, Uttar Pradesh, India
[6] SN Med Coll & Hosp, Dept TB & Chest Dis, Agra, Uttar Pradesh, India