Reply to Marieke J. Krimphove, Junaid Nabi, Alexander P. Cole, and Quoc-Dien Trinh's Letter to the Editor re: Ronald D. Ennis, Liangyuan Hu, Shannon N. Ryemon, Joyce Lin, Madhu Mazumdar. Brachytherapy-based Radiotherapy and Radical Prostatectomy Are Associated with Similar Survival in High-risk Localized Prostate Cancer. J Clin Oncol 2018;36:1192-8: Setting the Standard: The Importance of Defining the Standard of Care for Comparative Effectiveness Analyses