1 Department of Critical Care Medicine, Center for Critical Care Nephrology, CRISMA Center, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
2 Excellence Center for Critical Care Nephrology, King Chulalongkorn Memorial Hospital, Bangkok, Thailand.
3 Faculty of Medicine, Center of Excellence in Systems Biology, Chulalongkorn University, Bangkok, Thailand.
4 Department of Medicine, Renal-Electrolyte Division, University of Pittsburgh, Pittsburgh, PA, USA.