Shirlene Obuobi1, Monica B Vela2, Brian Callender3. 1. Department of Medicine, University of Chicago, Chicago, IL 60637, USA. Electronic address: shirlene.obuobi@uchospitals.edu. 2. Department of Medicine, University of Chicago, Chicago, IL 60637, USA. 3. Department of Medicine, University of Chicago, Chicago, IL 60637, USA; Stevanovich Institute on the Formation of Knowledge, University of Chicago, Chicago, IL 60637, USA.