1. Department of Endocrinology, Central Hospital of Wuhan, Wuhan, Hubei, China 430061
2. Cardiovascular Research Institute, School of Medicine, Case Western Reserve University, Cleveland, Ohio, USA 44106
3. Basic Medical Department of Medical College, Xiamen University, Xiamen, China 361102
4. Department of Rheumatology and Clinical Immunology, The First Affiliated Hospital of Xiamen University, Xiamen, Fujian, China 361003