1. Clinical Assistant Professor of Anesthesia. Present address: Department of Anesthesia, University Hospital of San Diego County, 225 West Dickinson, San Diego, California 92103.
2. Assistant Professor of Medical Care and Hospitals. Present address: School of Hygiene and Public Health, The Johns Hopkins University, Baltimore, Maryland.
3. Assistant Professor of Pediatrics. Supported in part by a Grant from the Eductaional Foundation of America. Present address: Good Samaritan Hospital, 1033 East McDowell Road, Phoenix, Arizona 85006.