Affiliation: | 1. University of Tennessee Graduate School of Medicine, Department of Internal Medicine, Knoxville, TN, USA;2. Knoxville Dermatopathology Laboratory, Knoxville, TN, USA;3. Vanderbilt University, Department of Pathology, Nashville, TN, USA;4. University of Tennessee Graduate School of Medicine, Department of Pathology, Knoxville, TN, USA |