aDivisions of Gastroenterology & Hepatology and Pulmonary & Critical Care Medicine, University of Kansas Medical Center, Kansas City, Kansas

bLiver Transplantation & Liver Critical Care Services, Emory University, Atlanta, Georgia, USA

cDivision of Gastroenterology—Liver Unit, Department of Critical Care Medicine, University of Alberta, 2-124 Clinical Sciences Building, Edmonton, Alberta, Canada

Correspondence to Jody C. Olson, MD, FACP, Associate Professor of Medicine and Surgery, Divisions of Gastroenterology & Hepatology and, Pulmonary & Critical Care Medicine, University of Kansas Medical Center, 4000 Cambridge Street, Kansas City, KS 66160, USA. E-mail: [email protected]