1. Clinical Medical College of Chengdu Medical College, Chengdu, Sichuan, 610500, China
2. Department of Endocrinology, The First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan, 610500, China
3. Medical department, The First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan, 610500, China
4. Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan, 610500, China