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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee as well as with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
Consent to participateThis is an observational study, and The University of Texas MD Anderson Cancer has waived informed consent.
DisclosureJesse C. Selber, MD, is a scientific advisor for Integra Life Sciences. Charles E. Butler, MD, is a consultant for Allergan. The remaining authors have no conflicts of interest.
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