Affiliation: | ∗ Department of Anesthesiology, Mackay Memorial Hospital, Taipei, Taiwan † Department of Pathology, Mackay Memorial Hospital, Taipei, Taiwan ‡ Graduate Institute of Nursing; Taipei Medical University, Taipei, Taiwan § Department of Anesthesiology, Buddhist Tzu Chi General Hospital, Taipei Branch, Taipei, Taiwan ‖ School of Medicine, Tzu Chi University, Hualien, Taiwan |