The Second Affiliated Hospital & College of Nursing Harbin Medical University Harbin China;
The Second Affiliated Hospital & College of Nursing Harbin Medical University Harbin China;
The Second Affiliated Hospital & College of Nursing Harbin Medical University Harbin China;
Second Affiliated Hospital of ChongQing Medical University;
The Second Affiliated Hospital & College of Nursing Harbin Medical University Harbin China;
The Second Affiliated Hospital & College of Nursing Harbin Medical University Harbin China;