Professor of Dermatology, Pathology, and Oncology, Johns Hopkins University SOM

Brigham and Women's Hospital Dana-Farber Cancer Institute Harvard Medical School

Professor at University of Pennsylvania, Departments of Pathology and Dermatology

Emeritus Professor of Pathology of the University of Brescia, Italy

Professor Dermatology, University Zurich, Switzerland

Aichi Medical University Hospital

Hospital Practitioner, Associate Professor of Dermatology, Hospices Civils de Lyon, France

National Cancer Institute, National Institutes of Health

Professor Emeritus of Pathology, UCSF

Professor of Dermatology, University Vita-Salute San Raffaele, Milan, Italky