aOrthopaedic Surgeon and Traumatologist, Department of Orthopaedic Surgery, Hospital Clínica Bíblica, San José, Costa Rica

bStanford University School of Medicine, Stanford University, Stanford, CA

cDepartment of Orthopaedic Surgery, Hospital Metropolitano, San Jose, Costa Rica

dDepartment of Orthopaedic Surgery, Hospital La Católica, San José, Costa Rica

eDepartment of Orthopaedic Surgery, Hospital del Trauma, San Jose, Costa Rica

fDepartment of Orthopaedic Surgery, Centro National de Rehabilitatción, San José, Costa Rica

gDepartment of Orthopaedic Surgery, Stanford University, Redwood City, CA

hDepartment of Orthopaedic Surgery, University of California – San Francisco, San Francisco, CA

Financial Disclosure: One or more of the authors has received funding from the National Institute of Health (NIH) (RNK), the Orthopaedic Research and Education Foundation (OREF) (RNK), and the Moore Foundation (RNK, LMS). The content of this work is solely the responsibility of the authors and does not necessarily represent the official views of the National Institute of Health, the Orthopaedic Research and Education Foundation, or the Moore Foundation. The authors have no conflicts of interest to report.

Informed consent from all survey participants was obtained through consent forms approved by our institutional review board. Patients have a right to privacy that was not infringed and all identifying information will not be published.

The authors have complied with the ethical standards as detailed in ‘Instructions to the Author’ set forth by Current Orthopaedic Practice. The authors were in accordance with the ethical standards of the responsible committee on human experimentation at Stanford and with the Helsinki Declaration of 1975, as revised in 2008.

Correspondence to Lauren M. Shapiro, MD, MS, Department of Orthopaedic Surgery, University of California – San Francisco, 1500 Owens Street, San Francisco, CA 94158; e-mail: [email protected].

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