Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan; Departments of Internal Medicine and Laboratory Medicine, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan; Department of Clinical Laboratory Sciences and Medical Biotechnology, National Taiwan University College of Medicine, Taipei, Taiwan; Division of Biostatistics and Bioinformatics, National Health Research Institutes, Zhunan Town, Taiwan(2006-06時点)