First quarter report from the eBLOC (en-bloc vs conventional resection of primary bladder tumor) trial - D. D’Andrea; F. Soria; K. Gust; P. Gontero; D. Enikeev; M. Taraktin; S. Kotov; M. Ryabov; L. Lusuardi; D. Oswald; R. Hurle; N. Frego; et al. (European Urology Open Science, 2020)