[1] Amrita Sch Med, Dept Community Med, Faridabad, Haryana, India
[2] SGT Univ, Dept Psychiat, Gurugram, Haryana, India
[3] SGT Univ, Dept Community Med, Gurugram, Haryana, India
[4] KMCH Inst Hlth Sci & Res, Dept Community Med, Coimbatore, Tamil Nadu, India
[5] AIIMS, Dept Community & Family Med, Deoghar, Jharkhand, India