[1] Basaveshwara Med Coll & Hosp, Dept Community Med, SJM Campus,NH4 Bye Pass, Chitradurga 577501, Karnataka, India
[2] BLDE Deemed Univ, Shri BM Patil Med Coll Hosp & Res Ctr, Dept Commun Med, Vijayapura, Karnataka, India
[3] BLDE Deemed Univ, Shri BM Patil Med Coll Hosp & Res Ctr, Dept Pediat, Vijayapura, Karnataka, India
[4] AJ Inst Med Sci & Res Ctr, Dept Community Med, Mangalore, Karnataka, India