[1] Shri Guru Ram Rai Inst Med & Hlth Sci, Dept Microbiol, Dehrdaun 248001, Uttarakhand, India
[2] All India Inst Med Sci, Dept Clin Microbiol, Gorakhpur 273008, Uttar Pradesh, India
[3] Postgrad Inst Med Educ & Res, Dept Community Med, Chandigarh 160012, India
[4] Postgrad Inst Med Educ & Res, Sch Publ Hlth, Chandigarh 160012, India
[5] Tribhuvan Univ Teaching Spital, Inst Med, Dept Microbiol, Kathmandu 44600, Nepal
[6] Dr DY Patil Med Coll, Hosp & Res Ctr, Dept Microbiol, Pune 411018, Maharashtra, India
[7] Jawaharlal Nehru Med Coll, Datta Meghe Inst Higher Educ & Res, Wardha 442001, India
[8] Tribhuvan Univ, Inst Med, Clin Res HMS, Kathmandu, Nepal