1. Department of Pediatric Rheumatology and Nephrology, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
2. Department of Nephrology, Guangzhou Women and Children’s Medical Center, Guangzhou, China
3. Department of Nephrology, Rheumatology and Immunology, Fujian Children’s Hospital, Fuzhou, China
4. College of Clinical Medicine for Obstetrics & Gynecology and Pediatrics, Fujian Medical University, Fuzhou, China