Sudipta Dhar Chowdhury1, Banumathi Ramakrishna2,Chundamannil Eapen Eapen1, Ashish Goel1, Uday George Zachariah1, Anuradha Chandramohan3, Srinivasan Pugazendhi1, Balakrishnan Siddartha Ramakrishna1, George Kurian1.
Departments of Gastrointestinal Sciences1, Pathology2 and Radiology3,
Christian Medical College,
Vellore 632004.
India