1 School of Medicine, Louisiana State University Health Shreveport, 1501 Kings Highway, 71130 Shreveport, LA, USA. Electronic address: yao.anna.li@gmail.com.
2 Mallinckrodt Institute of Radiology, Washington University School of Medicine, 510 S Kingshighway Blvd, 63110 St. Louis, MO, USA. Electronic address: davidballardmd@gmail.com.
3 Department of Radiology, Louisiana State University Health Shreveport, 1501 Kings Highway, 71130 Shreveport, LA, USA. Electronic address: hdagos@lsuhsc.edu.