1. Department of Psychiatry and Behavioral Sciences University of California Davis California USA
2. Department of Religious Studies University of South Carolina Columbia South Carolina USA
3. Vietnam National Geriatric Hospital Hanoi Vietnam
4. Hanoi Medical University Hanoi Vietnam
5. Department of Public Health Sciences University of California Davis California USA
6. Caregiver Center Veterans Affairs Medical Center Memphis Tennessee USA
7. Department of Preventive Medicine University of Tennessee Health Sciences Center Memphis Tennessee USA
8. California School of Professional Psychology at Alliant International University San Francisco California USA
9. University of South Australia Adelaide Australia