1. Alabama College of Osteopathic Medicine, Dothan (AL), U.S.A.
2. Department of Orthopaedic Surgery, University of California San Francisco, San Francisco (CA), U.S.A.
3. Department of Pharmacology, Faculty of Medical Sciences, State University of Campinas, Cidade Universitária Zeferino Vaz - Barão Geraldo, Campinas (SP), Brazil
4. San Francisco Veterans Affairs Medical Center, San Francisco (CA), U.S.A.
5. Division of Orthopaedic Surgery, UCSF Benioff Children’s Hospital Oakland, Oakland (CA), U.S.A.