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Front Matter

Klaus Wolff, MD, FRCP

Professor and Chairman Emeritus

Department of Dermatology

Medical University of Vienna

Chief Emeritus, Dermatology Service

General Hospital of Vienna

Vienna, Austria

Richard Allen Johnson, MDCM

Associate Professor of Dermatology

Massachusetts General Hospital

Harvard Medical School

Boston, Massachusetts

Arturo P. Saavedra, MD, PhD, MBA

Associate Professor of Dermatology

Massachusetts General Hospital

Vice Chair for Clinical Affairs

Harvard Medical School

Boston, Massachusetts

Ellen K. Roh, MD

Instructor in Dermatology

Massachusetts General Hospital

Boston, Massachusetts