1. Departments of Urology, Children’s Hospital of Chongqing Medical University, Chongqing, China
2. Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Stomatological Hospital of Chongqing Medical University, Chongqing, China
3. Departments of Radiology, Children’s Hospital of Chongqing Medical University, Chongqing, China
4. Wake Forest Institute for Regenerative Medicine, Wake Forest University School of Medicine, Winston-Salem, NC, USA