1. Department of Research & Evaluation Kaiser Permanente Southern California Pasadena California USA
2. Scientific Research & Development Embark Veterinary Ithaca New York USA
3. Channing Division of Network Medicine, Department of Medicine Brigham and Women's Hospital and Harvard Medical School Boston Massachusetts USA
4. Slone Epidemiology Center Boston University Boston Massachusetts USA
5. Intramural Research Department American Cancer Society Atlanta Georgia USA
6. City of Hope Medical Center California USA