Erratum to: The impacts of severe perfusion defects, akinetic/dyskinetic segments, and viable myocardium on the accuracy of volumes and LVEF measured by gated 99mTc-MIBI SPECT and gated 18F-FDG PET in patients with left ventricular aneurysm: Cardiac magnetic resonance imaging as the reference (Journal of Nuclear Cardiology, 10.1007/s12350-014-9978-1)