1. CHACHAR AZK:
Department of Medicine, Fatima Memorial Hospital College of Medicine & Dentistry,Lahore,Pakistan
2. QURESHI SR:
Department of Gastroenterology, Fatima Memorial Hospital College of Medicine & Dentistry,Lahore,Pakistan
3. ALVI AH:
Department of Gastroenterology, Fatima Memorial Hospital,Lahore,Pakistan
4. SOHAIB M:
Department of Gastroenterology, Fatima Memorial Hospital College of Medicine & Dentistry,Lahore,Pakistan
5. ALI S:
Division of Infectious Diseases, Wayne State University,Datroit, Michigan,USA
6. ULFAT M:
Department of Medicine, Fatima Memorial Hospital,Lahore,Pakistan