1. Department of Endocrinology The Second Affiliated Hospital, Chongqing Medical University Chongqing China
2. Department of Endocrinology Chongqing Prevention and Treatment Hospital for Occupational Diseases Chongqing China
3. Key Laboratory of Diagnostic Medicine (Ministry of Education) and Department of Clinical Biochemistry, College of Laboratory Medicine Chongqing Medical University Chongqing China
4. Department of Pediatrics University of Mississippi Medical Center Jackson Mississippi USA