1. Department of Research, Connecticut Children's Medical Center; Department of Pediatrics, University of Connecticut School of Medicine; Hartford CT U.S.A.
2. Department of Biostatistics, School of Public Health; Yale University; New Haven CT U.S.A.
3. Public Health Sciences; Fred Hutchinson Cancer Research Center; Seattle WA U.S.A.
4. Division of Nephrology, Department of Pediatrics, Montreal Children's Hospital; McGill University Health Centre; Montreal Quebec Canada
5. Department of Nephrology, and Hypertension, Center for Acute Care Nephrology; Cincinnati Children's Hospital Medical Center; Cincinnati OH U.S.A.
6. Section of Nephrology and Program of Applied Translational Research, Department of Medicine; Yale University School of Medicine, New Haven, CT, Clinical Epidemiology Research Center, Veterans Affairs Medical Center; West Haven CT U.S.A.