1 Department of Plastic, Hand Surgery, and Reconstructive Microsurgery, Ospedale San Gerardo, Monza, Italy (Del Bene, Di Caprio) Pediatric Department, Università Bicocca, Fondazione MBBM, Ospedale San Gerardo, Monza, Italy (Melzi) Clinica Ematologica, Università Milano Bicocca, Ospedale San Gerardo, Monza, Italy (Pioltelli) Department of Plastic Reconstructive Surgery and Burn Unit, Ospedale Niguarda Ca' Granda, Milan, Italy (Bonomi).