Syed Nabeel Muzaffar1, Afzal Azim2, Suhail Sarwar Siddiqui3. 1. Department of Critical Care Medicine, Trauma Centre, Fifth Floor, King George's medical University (KGMU), Lucknow, India. Electronic address: muzaffarnabeel@gmail.com. 2. Department of Critical Care Medicine, Sanjay Gandhi Postgraduate Institute of Medical Sciences (SGPGIMS), Lucknow, India. 3. Department of Critical Care Medicine, Trauma Centre, Fifth Floor, King George's medical University (KGMU), Lucknow, India.