1. Department of Anaesthesiology, Ibra Hospital, Ministry of Health-Oman, Ibra-414, Sultanate of Oman
2. Department of Psychiatry, Government Medical College, Nagpur, Maharashtra, India
3. Department of Anaesthetics and Pain Management, Walsall Manor Hospital, Moat Rd, Walsall WS2 9PS, United Kingdom
4. Department of Anaesthesiology and Pain Management, DR. L.H. Hiranandani Hospital, Powai Mumbai, Maharashtra, India
5. Department of Pediatric Surgery, All India Institute of Medical Sciences, Raipur, Chhattisgarh, India