1 Medical University of South Carolina, Department of Radiology and Radiological Science, 169 Ashley Avenue, Charleston, SC 29425 (N.H.S., A.D.H.).
2 Medical University of South Carolina, Department of Radiology and Radiological Science, 169 Ashley Avenue, Charleston, SC 29425 (N.H.S., A.D.H.). Electronic address: andrewdhardie@gmail.com.