1. Shunwang Hospital, Zhucheng, PR China;
2. Department of Imaging, Yidu Central Hospital of Weifang, Weifang, PR China;
3. Department of Neurosurgery, Zibo No. 4 People’s Hospital, Zibo, PR China;
4. Department of Cardiovasology, Liyang People’s Hospital, Liyang, PR China;
5. Department of Anesthesiology, Shengli Oilfield Central Hospital, Dongying, PR China