About the Authors

Hongjuan Zhao, James D Brooks
Department of Urology, Stanford University School of Medicine, Stanford, California, United States of America

Börje Ljungberg, Kjell Grankvist, Torgny Rasmuson
Departments of Surgical and Perioperative Sciences, Urology, and Andrology, Medical Biosciences, Clinical Chemistry, and Radiation Sciences, Oncology, Umeȧ University, Umeȧ, Sweden

Robert Tibshirani
Department of Health Research and Policy, Stanford University School of Medicine, Stanford, California, United States of America

Corresponding Author

jdbrooks@stanford.edu

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

BL and JDB designed the study. HZ, BL, KG, and TR performed the experiments. HZ, RT, and JDB analyzed the data. HZ, BL, RT, and JDB contributed to writing the paper.