1 Department of Pediatrics, G. Gaslini Children's Hospital, University of Genoa, Genoa, Italy.
2 Unit of Dermatology, Department of Surgery and Intensive Care, IRCCS G. Gaslini Children's Hospital, Genoa, Italy.
3 Unit of Pathology, Department of Translational Research, Laboratory Medicine, Diagnostics and Services, IRCCS G. Gaslini Children's Hospital, Genoa, Italy.
4 Unit of Dermatology, Department of Surgery and Intensive Care, IRCCS G. Gaslini Children's Hospital, Genoa, Italy - francescamanunza@gaslini.org.