1. Department of Anaesthesiology, Mahatma Gandhi Medical College and Research Institute, Pondicherry, India
2. Department of Anaesthesiology and Critical Care, Lady Hardinge Medical College and Associated Hospitals, New Delhi, India
3. Department of Anaesthesiology, Kalyan Singh Super Speciality Cancer Institute, Lucknow, Uttar Pradesh, India
4. Department of Anaesthesiology, Kanyakumari Government Medical College, Nagercoil, Tamil Nadu, India