[1] Aastha Oncol Associates, Dept Head & Neck Surg Oncol, HCG Canc Ctr, Ahmadabad, Gujarat, India
[2] HCG Canc Ctr, Dept Anaesthesiol & Crit Care, Ahmadabad, Gujarat, India
[3] Aastha Oncol Associates, Dept Surg Oncol, HCG Canc Ctr, Ahmadabad, Gujarat, India