1 Division of Dermatology, Department of Medicine, John H. Stroger Hospital, Cook County Health, Department of Pathology, University of Illinois at Chicago, Chicago, Illinois, USA.
2 Department of Clinical Dermatology, Vita-Salute-University, San Raffaele Hospital, Milan, Italy.
3 Private Practice, Pembroke Pines, Florida, USA. Electronic address: gooddocljh@gmail.com.