Protocol adherence and outcomes among African/Afro-Caribbean men on active surveillance for prostate cancer - K. Beckmann; H. Aya; A. Santa Olalla; P. Sandu; S. Singh; M. Nikhil; P. Cathcart; B. Challacombe; R. Poppert; P. Dasgupta; M. Van Hemelrijck; O. Elhage (European Urology Open Science, 2020)