1. Tianjin Medical University General Hospital Tianjin China
2. Department of Clinical Laboratory Tianjin Medical University General Hospital Tianjin China
3. Department of Endocrinology and Metabolism Cangzhou People's Hospital Cangzhou China
4. Department of Endocrinology and Metabolism Tianjin Medical University General Hospital Tianjin China
5. Department of Respiratory and Critical Care Medicine Tianjin Medical University General Hospital Tianjin China