Institution: | 1. Department of Disease Control and Prevention, The Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia;2. Department of Infection Control, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China;3. Hemodialysis Center, The Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia;4. Department of Vascular Surgery, The Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia |