1 Department of Emergency Medicine, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei, Taiwan; Department of Emergency Medicine, School of Medicine, Tzu Chi University, Hualien, Taiwan.
2 Department of Anesthesiology, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei, Taiwan; Department of Anesthesiology, School of Medicine, Tzu Chi University, Hualien, Taiwan.
3 Department of Emergency Medicine, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei, Taiwan; Department of Emergency Medicine, School of Medicine, Tzu Chi University, Hualien, Taiwan. Electronic address: skyshangrila@gmail.com.