1. Section of Oral Biology and Dental Research Institute, UCLA School of Dentistry, Los Angeles, California 90024-1668
2. Division of Hematology-Oncology, UCLA School of Medicine, Los Angeles, California 90024, Sepulveda Veterans Affairs Medical Center, Sepulveda, California 91343
3. Sepulveda Veterans Affairs Medical Center, Sepulveda, California 91343, Wadsworth Veterans Affairs Medical Center, Los Angeles, California 90073