1. Department of Pathology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
2. Department of Urology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
3. Kidney Cancer Program at Simmons Comprehensive Cancer Center, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
4. Hematology-Oncology Division of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
5. Department of Pathology and Laboratory Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB T2L 2K5, Canada
6. Alberta Precision Labs, Rockyview General Hospital, 7007 14 St., Calgary, AB T2V 1P9, Canada