*University of Chicago Pritzker School of Medicine, Chicago

†Department of Pathology and Laboratory Medicine, NorthShore University HealthSystem, Evanston, IL

‡Department of Urology, Keck School of Medicine at University of Southern California, Los Angeles, CA

​Funding for this study is provided by the NorthShore University HealthSystem, Department of Pathology and Laboratory Medicine. The authors have no conflicts of interest to disclose.

Reprints: Thanh Lan, MD, Department of Pathology and Laboratory Medicine, NorthShore University HealthSystem, University of Chicago Pritzker School of Medicine, Chicago, IL 60201 (e-mail: [email protected]).