Reply to Emily Vertosick and Andrew Vickers' Letter to the Editor re: Alberto Briganti, Thomas Wiegel, Steven Joniau, et al. Early Salvage Radiation Therapy Does Not Compromise Cancer Control in Patients with pT3N0 Prostate Cancer after Radical Prostatectomy: Results of a Match-Controlled Multi-institutional Analysis. Eur Urol 2012;62:472-87