Perry J, Chen A, Kariyawasam V, Collins G, Choong C, Teh WL, Mitrev N, Kohler F, Leong RW
Sanagapalli S, Ko Y, Kariyawasam V, Ng SC, Tang W, de Silva H, Chen M, Wu K, Aniwan S, Ng KK, Ong D, Ouyang Q, Hilmi I, Simadibrata M, Pisespongsa P, Gopikrishna S, Leong RW, on behalf of the IBD Sydney Organisation and the Asia-Pacific Crohn's and Colitis Epidemiology Study (ACCESS) Group