1. Assistant Professor in Anesthesiology, Obstetrics and Gynecology, Baylor College of Medicine, Houston, Texas; Research Fellow in Obstetric Anesthesia, University of California, San Francisco.
2. Associate Professor of Clinical Anesthesia, University of California, San Francisco.
3. Professor and Vice Chairman of Research in Anesthesia, University of California, San Francisco.
4. Chief, Maternal Fetal Medicine, Naval Hospital, Oakland, California.
5. Associate Professor of Clinical Anesthesia and Obstetrics, Gynecology and Reproductive Sciences, University of California, San Francisco.