1Department of Clinical Laboratory, The Second Hospital of Jilin University, Changchun, Jilin, China
2Department of Geriatrics, The First Hospital of Jilin University, Changchun, Jilin, China
3Department of Internal Medicine, University of Manitoba, Winnipeg, Manitoba, Canada
4Department of Community Health Sciences, University of Manitoba, Winnipeg, Manitoba, Canada
5Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, Jilin, China