title: Response.
authors.forename: Marcus Y
authors.initials: MY
authors.lastname: Chen
authors.forename: Sujata M
authors.initials: SM
authors.lastname: Shanbhag
authors.forename: Andrew E
authors.initials: AE
authors.lastname: Arai
mesh_terms: D017023:Coronary Angiography / Q000295:instrumentation*; D005260:Female; D006801:Humans; D008297:Male; D011829:Radiation Dosage; D011874:Radiometry / Q000379:methods*; D014057:Tomography, X-Ray Computed / Q000295:instrumentation*