1. Division of Behavioral Sciences, Department of General and Hospital Dentistry, University of Medicine and Dentistry, New Jersey Dental School, Newark, New Jersey and serves as consultant at the Center for Craniofacial Disorders of Montefiore Medical Center, Bronx, New York.
2. Biometrics Department, Parke-Davis Pharmaceutical Research, Ann Arbor, Michigan.
3. Department of Dental Ecology, University of North Carolina at Chapel Hill, North Carolina.