1. Center for Critical Care Nephrology, Department of Critical Care MedicineUniversity of Pittsburgh School of MedicinePittsburgh PA
2. The CRISMA (Clinical Research, Investigation and Systems Modeling of Acute Illness) Center, Department of Critical Care MedicineUniversity of Pittsburgh School of MedicinePittsburgh PA
3. Department of Critical Care Medicine and AnesthesiologyUniversity Paris 13 School of Medicine and Jean Verdier HospitalBondy France
4. Department of AnesthesiologyUniversity of Pittsburgh Medical CenterPittsburgh PA