1. Department of Urology, Shanghai Changhai Hospital, Second Military Medical University, Shanghai, People's Republic of China
2. Health Division of Guard Bureau, General Staff Department of Chinese People's Liberation Army, Beijing, People's Republic of China
3. Department of Pathology and Laboratory Medicine, David Geffen School of Medicine at University of California-Los Angeles, Los Angeles, California
4. Bioinformatics Research Group, Key Laboratory of Intelligent Information Processing, Advanced Computer Research Center, Institute of Computing Technology, Chinese Academy of Sciences, Beijing, People's Republic of China