1. Department of Dermatology, “Sapienza” University Rome, Italy
2. National Institute for Infectious Diseases “Lazzaro Spallanzani”, Laboratory of Clinical Biochemistry and Pharmacology, Rome, Italy
3. Department of Health Sciences and Infectious Diseases, “Sapienza” University, Rome, Italy
4. Sbarro Institute for Cancer Research and Molecular Medicine, Center for Biotechnology, College of Science and Technology, Temple University, Philadelphia, Pennsylvania, USA