1 Department of Internal Medicine, Texas Tech University Health Sciences Center, Lubbock, Texas; Program for Critical Care Nephrology, Department of Critical Care Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania. Electronic address: gaspar.del-rio-pertuz@ttuhsc.edu.
2 Program for Critical Care Nephrology, Department of Critical Care Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania.
3 Department of Internal Medicine, Jackson Memorial Hospital, University of Miami, Miami, Florida.