1. Department of Medicine, University of Alabama at Birmingham Heersink School of Medicine , Birmingham, AL, USA
2. O’Neal Comprehensive Cancer Center, University of Alabama at Birmingham Heersink School of Medicine , Birmingham, AL, USA
3. Department of Urology, University of Alabama at Birmingham Heersink School of Medicine , Birmingham, AL, USA
4. Department of Radiology, University of Alabama at Birmingham Heersink School of Medicine , Birmingham, AL, USA