1 Department of Medical Oncology, Pitié-Salpêtrière Hospital, AP-HP, University Pierre and Marie Curie, Paris, France.
2 Department of Pathology, Tenon Hospital, AP-HP, University Pierre and Marie Curie, Paris, France.
3 Department of Genitourinary Medical Oncology, MD Anderson Cancer Center, Houston, TX, USA.
4 Department of Medical Oncology, Pitié-Salpêtrière Hospital, AP-HP, University Pierre and Marie Curie, Paris, France. Electronic address: gabriel.malouf@aphp.fr.