Correspondence should be sent to Francisco Soldado MD, PhD, Unit for Paediatric Hand, Nerve and Microsurgery, Barcelona Children’s Hospital HM Nens, HM Hospitales, Consell de cent 407 08012, Barcelona, Spain. E-mail:

E-mail Address: [email protected]

Unit for Paediatric Hand, Nerve and Microsurgery, Barcelona Children’s Hospital HM Nens, HM Hospitales, Barcelona, Spain