1. Departments of Obstetrics/Gynecology and Psychiatry, University of Pennsylvania, Philadelphia, Pennsylvania.
2. North Seattle Women's Group, Seattle, Washington.
3. Obstetrics and Gynecology, University of California Los Angeles, Los Angeles, California.
4. Butler Hospital, Providence, Rhode Island.
5. University of Tennessee, Memphis, Tennessee.
6. Mountain Lakes, New Jersey.
7. Berlex Laboratories, Montville, New Jersey.