Comments on Vimercati et al., 2019, "Asbestos exposure and malignant mesothelioma of the tunica vaginalis testis: a systematic review and the experience of the Apulia (southern Italy) mesothelioma register" - Gabor Mezei; Ellen T. Chang; Fionna S. Mowat; Suresh H. Moolgavkar (BMC, 2019)