1. Rigshospitalet, Copenhagen, 2100, Denmark
2. Fight Bladder Cancer, Oxfordshire, OX39 4DJ, UK
3. World Bladder Cancer Patient Coalition, Brussels, Belgium
4. Institute of Pathology, University Hospital Heidelberg, Heidelberg, 69120, Germany
5. Institut Bergonié, Bordeaux, 33800, France
6. Gustave Roussy Comprehensive Cancer Center, & Unversity Paris-Saclay, Villejuif, 94805, France
7. University Cancer Institute & The Department of Oncology, University Hospital Fundacion Jimenez Diaz, Autonomous University, Madrid, 28033, Spain
8. C2A, Paris, 75012, France