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First edition

Prof. Dr. Luiz Vialle (General Editor)
Department of Orthopedics- Spine Unit
Catholic University
Curitiba, Brazil

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Prof. Dr. Carlo Bellabarba
Departments of Orthopedic and Neurological Surgery
University of Washington, Harborview Medical Center
Seattle, USA

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Dr. Marcelo Gruenberg
Departement of Orthopaedics
Hospital Italiano
Capital Federal, Argentina

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Prof. Dr. Cumhur Oner
Departement of Orthopedic Surgery
UMC Utrecht
Utrecht, Netherlands

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Illustrator: Michele Haller
Project manager: Lars Veum