1. Department of Endocrinology; the Second Affiliated Hospital; Chongqing Medical University; China
2. Department of Laboratory Medicine; MOE Key Laboratory of Laboratory Medicine Diagnostics, and College of Laboratory Medicine; Chongqing Medical University; China
3. Department of Internal Medicine; Armed Police Hospital of Tibetan Frontier Defense Corps; Lhasa Tibet
4. Department of Pediatrics; University of Mississippi Medical Center; Jackson MS USA