1. Associate Director, Division of Anesthesiology, Cook County Hospital, Chicago, Illinois 60612
2. Attending Physician, Department of Pediatric Anesthesiology, Cook County Hospital, Chicago, Illinois 60612
3. Director, Pediatric Surgery, Cook County Hospital, Chicago, Illinois 60612
4. Associate Professor of Anesthesiology, University of Illinois Hospitals, Abraham Lincoln School of Medicine, Chicago, Illinois 60612