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| Steven M Asch | Veterans Affairs Palo Alto Healthcare System Palo Alto CA USA. |
| Steven M Asch | Department of Medicine Stanford School of Medicine Stanford CA USA. |
| Paul A Heidenreich | Veterans Affairs Palo Alto Healthcare System Palo Alto CA USA. |
| Paul A Heidenreich | Division of Cardiovascular Medicine Stanford University School of Medicine, and Cardiovascular Institute Stanford CA USA. |