[1] All India Inst Med Sci, Nursing, Bhubaneswar, India
[2] All India Inst Med Sci, Ophthalmol, Bhubaneswar, India
[3] All India Inst Med Sci, Cardiothorac Surg, Bhubaneswar, India
[4] All India Inst Med Sci, Coll Nursing, Bhubaneswar, India
[5] Siksha O Anusandhan, Nursing, Bhubaneswar, India
[6] All India Inst Med Sci, Anesthesiol & Crit Care, Bhubaneswar, India
[7] Banaras Hindu Univ, Cardiothorac Surg, Inst Med Sci, Banaras, India
[8] All India Inst Med Sci, Internal Med, Bhubaneswar, India
[9] All India Inst Med Sci, Cardiol, Bhubaneswar, India