[1] People’s Hospital of Zhengzhou University,Department of Thoracic surgery, Henan Key Laboratory for Nursing, Henan Provincial People’s Hospital
[2] Henan University People’s Hospital,Department of Thoracic surgery, Henan Provincial People’s Hospital
[3] Institute of Nursing and Health,undefined
[4] Henan University,undefined
[5] People’s Hospital of Zhengzhou University,undefined
[6] Henan University People’s Hospital,undefined