1. Department of Nursing Care, Jinan People’s Hospital Affiliated to Shandong First Medical University, Jinan, China;
2. Department of Cardiology, Jinan People’s Hospital Affiliated to Shandong First Medical University, Jinan, China;
3. Disinfection Supply Room, Lanshan District People’s Hospital, Rizhao, China;
4. Health Management Center, Affiliated Hospital of Jining Medical University, Jining, China