1 The Warren Alpert Medical School of Brown University, Providence, RI; Minimally Invasive Urology Institute, The Miriam Hospital, Providence, RI.
2 Minimally Invasive Urology Institute, The Miriam Hospital, Providence, RI.
3 Lifespan Biostatistics Epidemiology Research Design Core, Providence, RI.
4 The Warren Alpert Medical School of Brown University, Providence, RI.
5 The Warren Alpert Medical School of Brown University, Providence, RI; Minimally Invasive Urology Institute, The Miriam Hospital, Providence, RI. Electronic address: Elias.hyams@brownphysicians.org.