1. Clinical Medical Research Center/ Inner Mongolia Key Laboratory of Gene Regulation of the Metabolic Diseases, Inner Mongolia People’s Hospital, Hohhot 010017, China
2. Department of Endocrine and Metabolic Diseases, Inner Mongolia People’s Hospital, China
3. Department of Central Laboratory, The Fifth Central Hospital of Tianjin, Tianjin 300450, China
4. Tianjin Key Laboratory of Epigenetics for Organ Development in Preterm Infants, The Fifth Central Hospital of Tianjin, Tianjin 300450, China
5. Department of Pathology, The Fifth Central Hospital of Tianjin, Tianjin 300450, China
6. Department of Pulmonary and Critical Care Medicine/ Key Laboratory of National Health Commission for the Diagnosis & Treatment of COPD, Inner Mongolia People’s Hospital, Hohhot, Inner Mongolia, China