1Professor & Head, Deptt. of Community Medicine, Surat Municipal Inst. of Medical Education and Research, Surat- 395010, Gujarat.
2Associate Professor & Head, Deptt. of Physiology, Surat Municipal Inst. of Medical Education and Research, Surat- 395010, Gujarat.
3Intern, Deptt. of Community Medicine, Surat Municipal Inst. of Medical Education and Research, Surat- 395010, Gujarat.
*Correspondence: drsushil.surat@gmail.com
Online published on 20 August, 2012.
