Author information:
(1)Associate Professor of Anesthesiology, University of Central Florida, 
Orlando, FL, USA. pziemann@yahoo.com.
(2)Envision Healthcare, Saint Augustine, FL, USA. pziemann@yahoo.com.
(3)Anesthesiology and Surgery, Tufts University School of Medicine, Boston, USA.
(4)Anesthesia for Research and Development, Department of Anesthesiology and 
Critical Care, VA Boston Healthcare System, Boston, USA.
(5)Surgery, Vanderbilt University Medical Center, Nashville, USA.
(6)Bariatric and Minimally Invasive Surgery, Yale School of Medicine, New Haven, 
USA.
(7)Associate Professor of Anesthesiology, University of California, San Diego, 
CA, USA.
(8)Outcomes Research Consortium, Cleveland, USA.
(9)International Society for the Perioperative Care of Obese Patients, 
Louisville, USA.