1. Division of Oral Biology & Medicine, UCLA School of Dentistry, CHS 63-090, Los Angeles, CA, USA
2. West Los Angeles Veterans Administration Medical Center, CA, USA
3. Psychoneuroimmunology Group, Inc., CA, USA
4. California State University, Northridge, CA, USA
5. Tufts University Dental School, CA, USA
6. Dental Group of Sherman Oaks, Inc., CA, USA