title: In response.
authors.affiliation: Department of Anesthesiology, Perioperative and Pain Medicine, Stanford University School of Medicine, Stanford, California, steven.shafer@stanford.edu.
authors.forename: Steven L
authors.initials: SL
authors.lastname: Shafer
mesh_terms: D006801:Humans; D014807:Vitamin D / Q000502:physiology* / Q000627:therapeutic use*; D014808:Vitamin D Deficiency / Q000150:complications* / Q000628:therapy*
chemical_list: D014807:Vitamin D