1. Institute of Clinical Medicine; College of Medicine; National Cheng Kung University; Tainan Taiwan
2. Department of Internal Medicine; National Cheng Kung University Hospital; College of Medicine; National Cheng Kung University; Tainan Taiwan
3. Department of Internal Medicine; Tainan Hospital; Ministry of Health and Welfare; Executive Yuan; Tainan Taiwan
4. Department of Pathology; National Cheng Kung University Hospital; College of Medicine; National Cheng Kung University; Tainan Taiwan
5. Department of Pathology; Ton Yen General Hospital; Hsinchu Taiwan