[1] King Georges Med Univ, Dept Oral & Maxillofacial Pathol & Microbiol, Lucknow 226003, Uttar Pradesh, India
[2] King Georges Med Univ, Dept Hlth Res, Multidisciplinary Res Unit, Lucknow 226003, Uttar Pradesh, India
[3] King Georges Med Univ, Dept Oral & Maxillofacial Surg, Lucknow 226003, Uttar Pradesh, India