1. Department of Radiology and Nuclear Medicine, Naval Medical Center, 34800 Bob Wilson Drive, San Diego, CA 92134, USA
2. Department of General Surgery, Naval Medical Center, 34800 Bob Wilson Drive, San Diego, CA 92134, USA
3. Department of Pathology, Naval Medical Center, 34800 Bob Wilson Drive, San Diego, CA 92134, USA
4. Department of Cardiothoracic Surgery, Naval Medical Center, 34800 Bob Wilson Drive, San Diego, CA 92134, USA