[1] ESIC MC, Dept Community Med, Bangalore 560010, Karnataka, India
[2] PGIMSR, Bangalore 560010, Karnataka, India
[3] Saptagiri Inst Med Sci & Res Ctr, Dept Biochem, Bangalore 560010, Karnataka, India
[4] Sri Devaraj Urs Med Coll, Dept Psychiat, Kolar 563101, Karnataka, India