1. Children's Hospital and Adult Medical Center, San Franscisco: Assistant clinical Professor of Pathology, University of Calicornia San Francisco
2. Children's Hospital and Adult Medical Center, San Fransicso; Clinical Professor of Surgery, University of California, San Franscisco
3. Department of Radiology, Children's Hospital and Adult Medical Center, San Fransicso; Associate clinical Professor of Radiology, University of California, San Franscisco
4. Children's Hospital and Adult Medical Center, San Fransicso