Christine J. Ko, MD, is a Professor of Dermatology and Pathology at Yale University Medical School in New Haven, Connecticut. She is a dermatologist and dermatopathologist with particular interest in clinical-pathologic correlations and visual recognition. She has authored over 120 original articles and book chapters. MORE
Bernadette L. Koch, MD is Associate Director of Radiology, Cincinnati Children’s Hospital Medical Center and Professor of Clinical Radiology and Pediatrics, University of Cincinnati College of Medicine. She is the author of ExpertDDX: Head and Neck, 2nd Edition. MORE