[1] Hind Inst Med Sci, Dept Forens Med & Toxicol, Barabanki, Uttar Pradesh, India
[2] Eras Lucknow Med Coll & Hosp, Dept Community Med, Lucknow, Uttar Pradesh, India
[3] King Georges Med Univ, Fac Dent Sci, Dept Periodontol, Lucknow, Uttar Pradesh, India
[4] King Georges Med Univ, Dept Forens Med & Toxicol, Lucknow, Uttar Pradesh, India
[5] King Georges Med Univ, Fac Dent Sci, Dept Periodontol, 5th Floor,New Dent Bldg, Lucknow 226003, Uttar Pradesh, India