1. Division of Rheumatology, Department of Medicine Mayo Clinic Rochester Minnesota USA
2. Department of Rheumatology, Beijing Friendship Hospital Capital Medical University Beijing People's Republic of China
3. Department of Dermatology The Second Hospital of Harbin Medical University, Harbin Medical University Harbin People's Republic of China
4. Division of Laboratory Medicine and Pathology Mayo Clinic Rochester Minnesota USA
5. Institute of Molecular Medicine Feinstein Institutes for Medical Research Manhasset New York USA
6. Donald and Barbara Zucker School of Medicine at Hofstra/Northwell Manhasset New York USA
7. Department of Immunology Mayo Clinic Rochester Minnesota USA