Reply to Erik Rud and Eduard Baco's Letter to the Editor re: Re: Jeffrey C. Weinreb, Jelle O. Barentsz, Peter L. Choyke, et al. PI-RADS Prostate Imaging - Reporting and Data System: 2015, Version 2. Eur Urol 2016;69:16-40.

Barentsz JO Radboudumc, Nijmegen, The Netherlands. Electronic address: jelle.barentsz@radboudumc.nl.
Choyke PL National Institutes of Health, Bethesda, MD, USA.
Cornud F René Descartes University, Paris, France.
Haider MA University of Toronto, Sunnybrook Health Sciences Centre, Toronto, Canada.
Macura KJ Johns Hopkins University, Baltimore, MD, USA.
Margolis D University of California, Los Angeles, CA, USA.
Shtern F AdMeTech Foundation, Boston, MA, USA.
Padhani AR Paul Strickland Scanner Centre, Mount Vernon Hospital, Northwood, UK.
Tempany CM Harvard University, Boston, MA, USA.
Thoeny HC University Hospital of Bern, Bern, Switzerland.
Verma S University of Cincinnati, Cincinnati, OH, USA.
Weinreb JC Yale School of Medicine, New Haven, CT, USA.