1. Pediatric Upper Extremity Surgery and MicrosurgeryVithas San Jose Hospital, Vitoria and Hospital HM nens Barcelona Spain
2. Center of Biological and Health Sciences, Department of NeurosurgeryUniversity of the South of Santa Catarina (Unisul) Tubarão Brazil
3. Department of Orthopedic SurgeryGovernador Celso Ramos Hospital Florianópolis Brazil