Eva M. Wojcik, M.D.Chair of Pathology and Laboratory MedicineHelen M. and Raymond M. Galvin Professor of Pathology & UrologyRegional Laboratory Medical Director, Loyola MedicineLoyola University Medical Center Department of Pathology and Laboratory MedicineMaywood IL, USADaniel F. I. Kurtycz MDEmeritus Professor, Department of Pathology and Laboratory MedicineUniversity of Wisconsin School of Medicine and Public HealthEmeritus Medical Director,Wisconsin State Laboratory of HygieneMadison, Wisconsin, USA,Dorothy L. Rosenthal, MDProfessor Emerita of Pathology/CytopathologyThe Johns Hopkins School of MedicineBaltimore MD, USA