1 Department of Medical Education, Far Eastern Memorial Hospital, New Taipei City, Taiwan.
2 Division of Neurosurgery, Department of Surgery, Far Eastern Memorial Hospital, New Taipei City, Taiwan.
3 Department of Biomedical Engineering, National Taiwan University, Taiwan.
4 Department of Biomedical Engineering, National Taiwan University, Taiwan; Department of Emergency Medicine, Far Eastern Memorial Hospital, New Taipei City, Taiwan. Electronic address: [email protected].