XU Caihua 1 , ZHOU Yongjia 2 , LI Yiyi 2 , CUI Yating 1 , TANG Xiao 3 , TIAN Jinhui 1 , ZHANG Junhua 4
  • 1. Center for Evidence-based Medicine, School of Basic Medicine, Lanzhou University, Lanzhou 730000, P. R. China;
  • 2. School of Nursing, Gansu University of Traditional Chinese Medicine, Lanzhou 730000, P. R. China;
  • 3. The First Clinical Medical College, Lanzhou University, Lanzhou 730000, P. R. China;
  • 4. Evidence-based Medicine Center, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, P. R. China;