Late surgical start time is associated with increased blood transfusion following gastric bypass surgery

• Ziyad O. Knio,

  Roles Formal analysis, Methodology, Software, Writing – original draft

  Affiliation Department of Anesthesiology, University of Virginia Health, Charlottesville, VA, United States of America

  https://orcid.org/0000-0001-5696-873X

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• Lena Zhang,

  Roles Investigation, Visualization, Writing – original draft

  Affiliation Department of Anesthesiology, University of Virginia Health, Charlottesville, VA, United States of America

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• David A. Watts,

  Roles Investigation, Writing – original draft

  Affiliation School of Medicine, University of Virginia, Charlottesville, VA, United States of America

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• Zhiyi Zuo

  Roles Conceptualization, Project administration, Resources, Supervision, Writing – review & editing

  * E-mail: zz3c@virginia.edu

  Affiliation Department of Anesthesiology, University of Virginia Health, Charlottesville, VA, United States of America

  https://orcid.org/0000-0002-3542-5047

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