1. Department of Medicine Stanford University School of Medicine Stanford California USA
2. Palo Alto Medical Foundation Research Institute Palo Alto California USA
3. Quantitative Sciences Unit Stanford University School of Medicine Stanford California USA
4. Division of Cardiovascular Medicine and Cardiovascular Institute Stanford University Stanford California USA
5. Division of Cardiovascular Medicine Veterans Affairs Palo Alto Health Care System Palo Alto California USA
6. Division of Primary Care and Population Health Stanford University School of Medicine Palo Alto California USA