[1] The First Affiliated Hospital of Sun Yat-sen University,Department of Rheumatology
[2] The First Affiliated Hospital of Sun Yat-sen University,Department of Geriatrics
[3] Guangzhou First People’s Hospital,Department of Rheumatology
[4] The First Affiliated Hospital of Sun Yat-sen University,Department of Obstetrics and Gynecology
[5] The First Affiliated Hospital of Guangzhou University of Chinese Medicine,Department of Ultrasound