1. Department of Occupational and Environmental Health, School of Public Health, Xi’an Jiaotong University Health Science Center, Xi’an 710061, China
2. MED-X Institute, Center for Immunological and Metabolic Diseases, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an 710061, China
3. Key Laboratory of Trace Elements and Endemic Diseases, School of Public Health, Xi’an Jiaotong University Health Science Center, National Health and Family Planning Commission, Xi’an 710061, China
4. Clinical Research Center for Endemic Disease of Shaanxi Province, The Second Affiliated Hospital of Xi’an Jiaotong University, No.157 Xi Wu Road, Xi’an 710004, China
5. Key Laboratory for Disease Prevention and Control and Health Promotion of Shaanxi Province, Xi’an 710061, China
6. Foot and Ankle Surgery Department, Honghui Hospital of Xi’an Jiaotong University, Xi’an 710001, China