1. Division of Nephrology, Department of Medicine; Tri-Service General Hospital, National Defense Medical Center; Taipei Taiwan
2. Department of Biochemistry; National Defense Medical Center; Taipei Taiwan
3. Department of Medicine; Providence St. Vincent Medical Center; Portland OR USA
4. Osteoarticular Research Group, Centre for Genetics and Experimental Medicine; Institute of Genetics and Molecular Medicine, University of Edinburgh; Edinburgh UK
5. Department of Pathology and Laboratory Medicine; Kaohsiung Veterans General Hospital; Kaohsiung Taiwan
6. Department of Pathology; Tri-Service General Hospital, National Defense Medical Center; Taipei Taiwan