1. Division of Trauma, Department of EmergencyKaohsiung Veterans General Hospital Kaohsiung City Taiwan
2. Department of Anesthesiology, National Cheng Kung University Hospital, College of MedicineNational Cheng Kung University Tainan City Taiwan
3. Institute of Basic Medical SciencesNational Cheng Kung University Medical College Tainan City Taiwan
4. Department of PhysiologyNational Cheng Kung University Medical College Tainan City Taiwan