1 Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
2 Department of Urology, Penn State Health, Enola, PA, USA.
3 International Kidney Cancer Coalition, Amsterdam-Duivendrecht 1115HB, Netherlands.
4 International Kidney Cancer Coalition, Amsterdam-Duivendrecht 1115HB, Netherlands. Electronic address: [email protected].
5 Department of Medical Oncology, The Royal Marsden Hospital NHS Foundation Trust, London, UK; Department of Clinical Research, University Hospital Basel, University of Basel, Basel, Switzerland.