Lavleen Singh1, Prasenjit Das1, Pratap Mouli2, Rajni Yadav1, Ragini Kilambi3, Prateek Kinra1, Archana George1, Guresh Kumar4, Shalimar2, Subrat K Acharya2, Siddhartha Datta Gupta1
Departments of 1Pathology, 2Gastroenterology, 3Gastrointestinal Surgery and 4Biostatistics,
All India Institute of Medical Sciences, New Delhi, India