1. Department of Laboratory Medicine and Pathology; Temple University Hospital; Pennsylvania
2. Department of Pathology; The Johns Hopkins Hospital; Maryland
3. The Department of Anatomic Pathology and Histology; the Catholic University of Rome; Rome Italy
4. Department of Pathology; Fudan University Cancer Hospital; Shanghai People's Republic of China
5. Department of Cellular Pathology; Guy's & St Thomas's Hospital NHSfT; London United Kingdom