[1] All India Inst Hyg & Publ Hlth, Dept Occupat Hlth, Kolkata, West Bengal, India
[2] Rajendra Inst Med Sci, Dept Community Med, Ranchi, Jharkhand, India
[3] All India Inst Med Sci Deoghar, Dept Community & Family Med, Rampur, Jharkhand, India
[4] Manipal Tata Med Coll, Dept Community Med, Jamshedpur, Jharkhand, India
[5] Geetanjali Med Coll & Hosp, Dept Community Med, Udaipur, Rajasthan, India
[6] Indian Council Med Res Reg Med Res, Reg Med Res Ctr, Bhubaneswar, Odisha, India
[7] Ctr Bhubaneswar SNMMCH, Dept Community Med, Dhanbad, Jharkhand, India