Patterns of multimorbidity in the middle-aged and elderly population in China: a cluster analysis based on self-organizing map
1Institute of Medical Technology, Peking University Health Science Center, Beijing 100191, China
2National Institute of Health Data Science at Peking University, Beijing 100191, China
3Renal Division, Department of Medicine, Peking University First Hospital/Peking University Institute of Nephrology, Beijing 100034, China
4Research Units of Diagnosis and Treatment of Immune-Mediated Kidney Diseases, Chinese Academy of Medical Sciences, Beijing 100034, China
5Advanced Institute of Information Technology, Peking University, Hangzhou, Zhejiang 311215, China
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