1 Department of Radiology, Columbia University Vagelos College of Physicians and Surgeons, NewYork-Presbyterian/Columbia University Irving Medical Center, New York, NY, United States of America.
2 Department of Radiology, Columbia University Vagelos College of Physicians and Surgeons, NewYork-Presbyterian/Columbia University Irving Medical Center, New York, NY, United States of America. Electronic address: ms5680@cumc.columbia.edu.