Renaldi, K., Division of Gastroenterology, Department of Internal Medicine, Faculty of Medicine Universitas Indonesia/Cipto Mangunkusumo National General HospitalJakarta, Indonesia; Simadibrata, M., Division of Gastroenterology, Department of Internal Medicine, Faculty of Medicine Universitas Indonesia/Cipto Mangunkusumo National General HospitalJakarta, Indonesia; Rahadiani, N., Division of Gastroenterology and Hepato Billiary Pathology, Department of Anatomical Pathology, Faculty of Medicine, Universitas Indonesia/ Cipto Mangunkusumo National Referral HospitalJakarta, Indonesia; Handjari, D.R., Division of Gastroenterology and Hepato Billiary Pathology, Department of Anatomical Pathology, Faculty of Medicine, Universitas Indonesia/ Cipto Mangunkusumo National Referral HospitalJakarta, Indonesia; William, A., Faculty of Medicine, Universitas IndonesiaJakarta, Indonesia; Sinuraya, F., Faculty of Medicine, Universitas IndonesiaJakarta, Indonesia; Makmun, D., Division of Gastroenterology, Department of Internal Medicine, Faculty of Medicine Universitas Indonesia/Cipto Mangunkusumo National General HospitalJakarta, Indonesia