Lesmana, C.R.A., Division of Gastroenterology and Hepatology, Department of Internal Medicine, Cipto Mangunkusumo Hospital, University of Indonesia, Jakarta, Indonesia, Digestive Disease Center, Medistra Hospital, Jakarta, Indonesia; Gani, R.A., Division of Gastroenterology and Hepatology, Department of Internal Medicine, Cipto Mangunkusumo Hospital, University of Indonesia, Jakarta, Indonesia; Hasan, I., Division of Gastroenterology and Hepatology, Department of Internal Medicine, Cipto Mangunkusumo Hospital, University of Indonesia, Jakarta, Indonesia; Simadibrata, M., Division of Gastroenterology and Hepatology, Department of Internal Medicine, Cipto Mangunkusumo Hospital, University of Indonesia, Jakarta, Indonesia; Sulaiman, A.S., Division of Gastroenterology and Hepatology, Department of Internal Medicine, Cipto Mangunkusumo Hospital, University of Indonesia, Jakarta, Indonesia; Pakasi, L.S., Digestive Disease Center, Medistra Hospital, Jakarta, Indonesia; Budihusodo, U., Division of Gastroenterology and Hepatology, Department of Internal Medicine, Cipto Mangunkusumo Hospital, University of Indonesia, Jakarta, Indonesia; Krisnuhoni, E., Department of Anatomical Pathology, University of Indonesia, Jakarta, Indonesia; Lesmana, L.A., Division of Gastroenterology and Hepatology, Department of Internal Medicine, Cipto Mangunkusumo Hospital, University of Indonesia, Jakarta, Indonesia, Digestive Disease Center, Medistra Hospital, Jakarta, Indonesia