Edgar V. Lerma, MD, FACP, FASN, FNKFClinical Professor of MedicineUniversity of Illinois at Chicago, Chicago College of MedicineAssociates in NephrologyChicago, ILUSA Vecihi Batuman, MD, FACP, FASNProfessor and Sr. Executive Vice Chair of MedicineChief-Nephrology, SLVHCSTulane UniversityNew Orleans, LAUSA