1.Department of Infection Management, Zhongshan Hospital, Fudan University, Shanghai 200032, China;2.Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China;3.Department of Infection Management, Jiangsu Province Hospital, Nanjing 210029, China;4.Department of Epidemiology and Health Statistics, School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an 710048, China;5.Department of Infection Control, Shanghai Children's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200062, China;6.Jiangsu Provincial Center for Disease Control and Prevention, Nanjing 210009, China;7.Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou 310057, China;8.Center for Healthcare associated Infection Control, Xiangya Hospital, Central South University, Changsha 410008, China;9.Department of Infection Management-Disease Control and Prevention, Peking University First Hospital, Beijing 100034, China;10.Department of Healthcare-associated Infection Management, West China Hospital, Sichuan University, Chengdu 610041, China;11.Department of Disease Prevention and Control, the First Medical Center, Chinese PLA General Hospital, Beijing 100853, China;12.Department of Disinfection and Vector Control, Hangzhou Center for Disease Control and Prevention, Hangzhou 310021, China;13.National Institute for Environmental Health, Chinese Center for Disease Control and Prevention, Beijing 100021, China;14.Supervision Institute of Shanghai Municipal Health Commission, Shanghai 200031, China;15.Second Provincial People's Hospital of Gansu, Lanzhou 730099, China;16.Department of Disinfection and Infection Control, Shanghai Municipal Center for Disease Control and Prevention, Shanghai 200336, China;17.Office of Healthcare-associated Infection and Disease Prevention and Control, Shanghai General Hospital, Shanghai 201620, China;18.Department of Infectious Diseases, Zhong-shan Hospital, Fudan University, Shanghai 200032, China

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