1 Department of Anesthesiology, All India Institute of Medical Sciences, Bhubaneswar, India. Electronic address: misrasatyajeet@gmail.com.
2 Department of Anesthesiology, All India Institute of Medical Sciences, Bhubaneswar, India.
3 Pulmonary Medicine, All India Institute of Medical Sciences, Bhubaneswar, India.
4 Department of Anesthesia and Critical Care, University of Chicago Medical Center, Chicago, IL.
5 Interventional Pulmonary Program, Section of Pulmonary, Critical Care, and Sleep, Oklahoma City VA Health Care System, University of Oklahoma Health Sciences Center, Oklahoma City, OK.