1. Departments of Internal Medicine and Pediatrics and the Feist-Weiller Cancer Center, Louisiana State University Health Sciences Center-Shreveport, Shreveport, Louisiana
2. J. O. Frempong and Associates, Elkins Park, Pennsylvania
3. Departments of Emergency Medicine and Pediatrics, University of Rochester School of Medicine and Dentistry, Rochester, New York
4. Health Resources and Services Administration, Rockville, Maryland