Dr. Cheng Hao, Attending Physician, Department of Rheumatology and Immunology, Second Hospital of Shanxi Medical University. He received his Bachelor’s, Master’s and Doctorate degrees in Medicine from Shanxi Medical University in China, where he focused on systemic sclerosis research for many years. He is currently Vice-Chairman of the Rheumatology and Immunology Youth Committee of the Shanxi Experts and Scholars Association. Member and Secretary of Immunological Rheumatology Group, Rare Disease Professional Committee, Shanxi Medical Association.