Syam, A.F., Division of Gastroenterology, Department of Internal Medicine, Faculty of Medicine-Cipto Mangunkusumo Teaching Hospital, University of Indonesia, Jakarta, Indonesia; Waskito, L.A., Faculty of Medicine, Universitas Airlangga, Surabaya, Indonesia, Institute of Tropical Disease, Universitas Airlangga, Surabaya, Indonesia; Rezkitha, Y.A.A., Institute of Tropical Disease, Universitas Airlangga, Surabaya, Indonesia, Department of Internal Medicine, Faculty of Medicine, University of Muhammadiyah Surabaya, Surabaya, Indonesia; Simamora, R.M., Department of Internal Medicine, Faculty of Medicine, Universitas Airlangga, Surabaya, Indonesia; Yusuf, F., Division of Gastroentero-Hepatology, Department of Internal Medicine, Faculty of Medicine, Dr. Zainoel Abidin General Hospital, Universitas Syiah Kuala, Banda Aceh, Indonesia; Danchi, K.E., Department of Internal Medicine, Dr. M Thomsen Nias Gunungsitoli General Hospital, Nias, Indonesia; Bakry, A.F., Division of Gastroentero-Hepatology, Department of Internal Medicine, Faculty of Medicine, Sriwijaya University, Palembang, Indonesia; Arnelis, Division of Gastroenterology, Department of Internal Medicine, Faculty of Medicine, Andalas University, Padang, Indonesia; Mulya, E., Department of Internal Medicine, Cimacan General Hospital, Cianjur, Indonesia; Siregar, G.A., Division of Gastroentero-Hepatology, Department of Internal Medicine, Faculty of Medicine, University of Sumatera Utara, Medan, Indonesia; Sugihartono, T., Division of Gastroentero-Hepatology, Department of Internal Medicine, Faculty of Medicine-Dr Soetomo Teaching Hospital, Universitas Airlangga, Jalan Mayjend Prof. Dr. Moestopo No. 6-8, Surabaya, 60286, Indonesia; Maulahela, H., Division of Gastroenterology, Department of Internal Medicine, Faculty of Medicine-Cipto Mangunkusumo Teaching Hospital, University of Indonesia, Jakarta, Indonesia; Doohan, D., Faculty of Medicine, Universitas Airlangga, Surabaya, Indonesia; Miftahussurur, M., Institute of Tropical Disease, Universitas Airlangga, Surabaya, Indonesia, Division of Gastroentero-Hepatology, Department of Internal Medicine, Faculty of Medicine-Dr Soetomo Teaching Hospital, Universitas Airlangga, Jalan Mayjend Prof. Dr. Moestopo No. 6-8, Surabaya, 60286, Indonesia; Yamaoka, Y., Department of Environmental and Preventive Medicine, Oita University Faculty of Medicine, 1-1 Idaigaoka, Hasama Machi, Yufu City, Oita, 879-5593, Japan, Department of Medicine, Gastroenterology and Hepatology Section, Baylor College of Medicine, Houston, TX, United States