Re: Editorial Comment on Use of Phosphodiesterase Type 5 Inhibitors for Erectile Dysfunction and Risk of Malignant Melanoma: D. F. Penson J Urol 2015;194:1710-1711
1 Department of Urology and Population Health, New York University and Manhattan Veterans Affairs Medical Center, New York, New York. Electronic address: stacyloeb@gmail.com.
2 Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.
3 Department of Surgery and Perioperative Sciences, Urology and Andrology, Umeå University Hospital, Umeå; Department of Urology, Uppsala University Hospital, Uppsala, Sweden.