1. Danish Imtiaz:
Department of Anesthesia and Pain, Shaukat Khanum Memorial Cancer Hospital & Research Center, 7A Block R-3 M.A. Johar Town, Lahore, Pakistan;
2. Shafiq Ur Rehman:
Department of Anesthesia and Pain, Shaukat Khanum Memorial Cancer Hospital & Research Center, 7A Block R-3 M.A. Johar Town, Lahore, Pakistan
3. Ateeq Ur Rehman Ghafoor:
Department of Anesthesia and Pain, Shaukat Khanum Memorial Cancer Hospital & Research Center, 7A Block R-3 M.A. Johar Town, Lahore, Pakistan
4. Romana Shaida Durrani:
Department of Anesthesia and Pain, Shaukat Khanum Memorial Cancer Hospital & Research Center, 7A Block R-3 M.A. Johar Town, Lahore, Pakistan
5. Allah Ditta Ashfaq:
Department of Anesthesia and Pain, Shaukat Khanum Memorial Cancer Hospital & Research Center, 7A Block R-3 M.A. Johar Town, Lahore, Pakistan
6. Tariq Hayat Khan:
Consultant Anesthetist & Pain Specialist, Islamabad, Pakistan