title: Preface.
authors.affiliation: University of Pittsburgh Medical Centers Division Director, Pathology Informatics, Staff Pathologist, Shadyside Hospital, UPMC, 5230 Center Avenue, Suite WG02.10, Pittsburgh, PA 15232. Electronic address: parwaniav@upmc.edu.
authors.forename: Anil V
authors.initials: AV
authors.lastname: Parwani