1. Department of Anesthesiology School of Anesthesiology The First Hospital Shanxi Medical University Taiyuan China
2. Department of Geriatrics Xijing Hospital Airforce Military Medical University Xi’an China
3. Department of Hematology Tangdu Hospital Airforce Military Medical University Xi’an China
4. Department of Emergency Medicine Thomas Jefferson University Philadelphia USA
5. Department of Teaching and Experiment Center Airforce Military Medical University Xi’an China
6. The Key Laboratory of Biomedical Information Engineering of Ministry of Education School of Life Science and Technology Xi'an Jiaotong University Xi'an China