Published on in Vol 19, No 5 (2017): May

1 Retrofit INC , Chicago, IL, US
2 Retrofit, INC , Chicago, IL, US
3 Department of Family Medicine, University of Colorado School of Medicine , Aurora, CO, US
4 Northwestern University, Feinberg School of Medicine , Chicago, IL, US
5 Swedish Medical Center , Seattle, WA, US
*these authors contributed equally