Passively Captured Interpersonal Social Interactions and Motion From Smartphones for Predicting Decompensation in Heart Failure: Observational Cohort Study

Ayse S Cakmak   ^{1 *} , DPhil ;   Erick A Perez Alday   ^{2 *} , DPhil ;   Samuel Densen   ³ , MD ;   Gabriel Najarro   ⁴ , MD ;   Pratik Rout   ⁵ , BSc ;   Christopher J Rozell   ¹ , DPhil ;   Omer T Inan   ¹ , DPhil ;   Amit J Shah   ^{5, 6} , MD ;   Gari D Clifford   ^{2, 7} , DPhil

¹ Department of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA, United States

² Department of Biomedical Informatics, School of Medicine, Emory University, Atlanta, GA, United States

³ School of Medicine, Emory University, Atlanta, GA, United States

⁴ Emory Healthcare, Emory University, Atlanta, GA, United States

⁵ Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, GA, United States

⁶ Atlanta Veterans Affairs Health Care System, Atlanta, GA, United States

⁷ The Wallace H Coulter Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA, United States

*these authors contributed equally