*Orthopaedics and Trauma Unit, Department of Surgery, Valencia University Medical School, Valencia, Spain
†Physical Therapy and Exercise Center, Valencia, Spain
‡Sports Medicine Unit, Valencia Catholic University, Valencia, Spain
§Department of Pediatric Orthopedics, Hospital Ramón y Cajal, Madrid, Spain
¶Spine Unit, Hospital La Fraternidad, Madrid, Spain
∥Pediatric Othopaedics Division, Hospital Univesitari Son Espases, Palma de Mallorca, Spain
**Pediatric Orthopaedics Division, Alicante University General Hospital, Alicante, Spain.
Address correspondence and reprint requests to Carlos Barrios, MD, PhD, Orthopedics and Trauma Unit, Department of Surgery, Valencia University Medical School, Avda Blasco Ibañez 17, Valencia 46010, Spain; E-mail: [email protected].
Acknowledgment date: December 8, 2009. First revision date: May 16, 2010. Second revision date: July 18, 2010. Acceptance date: July 19, 2010.
The manuscript submitted does not contain information about medical device(s)/drug(s).
No funds were received in support of this work. No benefits in any form have been or will be received from a commercial party related directly or indirectly to the subject of this manuscript.