1 Department of Genitourinary Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
2 Department of Medical Oncology, Pitie-Salpêtrière Hospital, University Pierre and Marie Curie, Paris, France.
3 Department of Genitourinary Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA. Electronic address: [email protected].