Omar P Sangüeza MD Professor and Director of Dermatopathology, Wake Forest University School of Medicine, Winston-Salem, NC, USA Martin Sangüeza MD Dermatopathologist, Hospital Obrero Caja Nacional de Salud, Department of Pathology, La Paz, Bolivia Francisco Bravo MD Alexander von Humboldt Institute of Tropical Medicine, Universidad Peruana Cayetano Heredia, Lima, Peru