1. Division of Digestive Diseases Department of Medicine Emory University School of Medicine Atlanta GA
2. Department of Biochemistry Sargodha Medical College Sargodha Pakistan
3. Department of Genetics and Genomic Sciences Icahn School of Medicine at Mount Sinai New York NY
4. Department of Pathology & Laboratory Medicine Emory University School of Medicine Atlanta GA
5. Department of Pathology University of Pittsburgh Pittsburgh PA