Department of Hepatogastroenterology, Tainan Municipal Hospital, Tainan 701, Taiwan;
Graduate Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University, Taipei 100, Taiwan;
Graduate Institute of Clinical Medicine, College of Medicine, and Graduate Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University, Taipei 100, Taiwan;
Department of Health Industry Management, School of Healthcare Management, Kainan University, Taoyuan 338, Taiwan;
School of Oral Hygiene, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan;
Department and Graduate Institute of Health Care Management, Chang Gung University, Taoyuan 333, Taiwan;
Division of Gastroenterology, Department of Internal Medicine, Shin-Kong Wu Ho-Su Memorial Hospital, Taipei 111, Taiwan;
angder Health Clinics, Taipei 111, Taiwan;
Two-stage; biomarker-ultrasound; screening; One-stage; abdominal; ultrasonography; screening; Markov; model;