[1] Stanford Univ, Ctr Acad Med, Div Cardiovasc Med, Mail Code 5687,453 Quarry Rd, Stanford, CA 94304 USA
[2] Ctr Digital Hlth, Stanford, CA USA
[3] Stanford Univ, Div Cardiovasc Med, Stanford, CA USA
[4] Stanford Univ, Cardiovasc Inst, Dept Med, Stanford, CA USA
[5] McGill Univ, Dept Med, Montreal, PQ, Canada
[6] Stanford Sch Med, Dept Med, Palo Alto, CA USA
[7] Cleveland Clin, Dept Cardiovasc Med, Cleveland, OH USA
[8] Vet Affairs Palo Alto Healthcare Syst, Livermore, CA USA