These authors contributed equally: Michael Xiang, Amar U. Kishan.

Department of Radiation Oncology, University of California, Los Angeles, CA, USA

Ting Martin Ma, Ann C. Raldow, Michael Xiang & Amar U. Kishan

Department of Radiation Oncology, University of California San Francisco, San Francisco, CA, USA

Felix Y. Feng

Department of Radiation Oncology, Sutter Medical Group, Roseville, CA, USA

Seth A. Rosenthal

Department of Urology, University of California, Los Angeles, CA, USA

Matthew B. Rettig & Amar U. Kishan

Department of Medicine, University of California Los Angeles, Los Angeles, CA, USA

Matthew B. Rettig

Department of Radiation Oncology, University Hospitals Seidman Cancer Center, Case Western Reserve University School of Medicine, Cleveland, OH, USA

Daniel E. Spratt

Conception: TMM, MX, AUK Data curation: TMM, MX, AUK. Formal Analysis: TMM, MX, AUK. Funding acquisition: AUK Investigation: TMM, FYF, SAR, MBR, ACR, DES, MX, AUK. Project administration: MX, AUK. Supervision: MX, AUK. Writing—original draft: TMM, MX, AUK. Writing—review & editing: TMM, FYF, SAR, MBR, ACR, DES, MX, AUK.

Correspondence to Amar U. Kishan.