Prognostic Factor Risk Groups for Clinical Stage I Seminoma: An Individual Patient Data Analysis by the European Association of Urology Testicular Cancer Guidelines Panel and Guidelines Office

Joost L. Boormans, Richard Sylvester, Lynn Anson‐Cartwright, Rachel Glicksman, Robert J. Hamilton, Ezra Hahn, Gedske Daugaard, Jakob Lauritsen, Thomas Wagner, B. Avuzzi, Nicola Nicolai, Xavier García del Muro, Jorge Aparicio, Odile Stalder, Christian Rothermundt, Stefanie Fischer, M. Pilar Laguna