Funding for this research was provided by:
Received: 20 May 2019
Accepted: 7 October 2019
First Online: 11 November 2019
: The authors declare no competing non-financial interests but the following competing financial interests. P.M., H.D.F., B.R.N., and K.P. were employees of Google. S.S.M. received grant/research support for this trial from Google. Outside of this trial, S.S.M. has received grants/research support from Apple, Stanford MedX/Nokia, iHealth, the Maryland Innovation Initiative, National Institutes of Health, American Heart Association, PJ Schafer Cardiovascular Research Fund, Wallace H. Coulter Translational Research Partnership, David and June Trone Family Foundation, Aetna Foundation, and Akcea Therapeutics. He has served on scientific advisory boards for Quest Diagnostics, Amgen, Sanofi, Regeneron, Novo Nordisk, Esperion, and Akcea Therapeutics, all outside the subject matter of this manuscript. E.Q., S.S., O.E.F., J.W., and M.O.S. declare no competing non-financial interests or competing financial interests.