1. Division of Pediatric Gastroenterology, Department of Gastroenterology, Post Graduate Institute of Medical Education and Research, Chandigarh, India
2. GE Radiology Section, Department of Gastroenterology, Post Graduate Institute of Medical Education and Research, Chandigarh, India
3. Department of Radiodiagnosis and Imaging, Post Graduate Institute of Medical Education and Research, Chandigarh, India