Affiliation: | 1. Department of Pathology, Johns Hopkins Medical Institutions, Baltimore, MD 31231, USA;2. Office of Scientific Research, Norte University, 1614 Asunción, Paraguay;3. Instituto de Patología e Investigación, 1617 Asunción, Paraguay;4. Department of Urology, Johns Hopkins Medical Institutions, Baltimore, MD 31231, USA;5. Department of Oncology, Johns Hopkins Medical Institutions, Baltimore, MD 31231, USA |