1. Department of Cardiology, Kaiser Permanente West Los Angeles Medical Center, Los Angeles, California
2. Department of Clinical Science, Kaiser Permanente Bernard J. Tyson School of Medicine, Pasadena, California
3. Department of Research & Evaluation, Kaiser Permanente Southern California, Pasadena
4. Southern California Permanente Medical Group, Pasadena
5. Department of Health Systems Science, Kaiser Permanente Bernard J. Tyson School of Medicine, Pasadena, California
6. Department of Cardiology, Kaiser Permanente Riverside Medical Center, Los Angeles, California
7. Kaiser Permanente Center for Health Innovation, Tustin, California
8. Department of Cardiology, Kaiser Permanente Baldwin Park Medical Center, Los Angeles, California
9. Department of Orthopedic Surgery, Kaiser Permanente Orange County Medical Center, Anaheim, California