The Asia-Pacific consensus on ulcerative colitis by Ooi, Choon Jin, Fock, K.M., Makharia, G.K., Goh, Khean Lee, Ling, K.L., Hilmi, I., Lim, W.C., Kelvin, T., Gibson, P.R., Gearry, R.B., Ouyang, Q., Sollano, J., Manatsathit, S., Rerknimitr, R., Wei, S.C., Leung, W.K., de Silva, H.J., Leong, R.W.L.