Francisco Soldado1, Maria Angeles De la Red-Gallego2, Sergi Barrera-Ochoa3. 1. Pediatric Hand Surgery and Microsurgery, Vithas San Jose, Barcelona, Spain. 2. Unidad de Mano, Hospital Universitario Marqués de Valdecilla, Santander, Spain. 3. icatMA Hand and Microsurgery Unit, Hospital Universitari Quiron-Dexeus, Barcelona, Spain.