1. Dept. Surgical Gastroenterology, Vishnevsky Institute of Surgery, Academy of Medical Sciences, USA
2. Block 12/Flat 10, MIG (11), Baghlingampally, Hyderabad 500 044, India
3. Dept. Computed Tomography, Vishnevsky Institute of Surgery, Academy of Medical Sciences, USA
4. Dept. Interventional Radiology, Vishnevsky Institute of Surgery, Academy of Medical Sciences, USA