1. Department of Anesthesiology, Tokushima University Hospital
2. Department of Dental Anesthesiology, Institute of Health Biosciences, the University of Tokushima Graduate School
3. Department of Anesthesiology, Aichi Medical University
4. Department of Anesthesiology & Pain Medicine, Kohnodai Hospital, National Center for Global Health and Medicine
5. Division of Cardiology, Shikoku Central Hospital of the Mutual Aid Association of Public School Teachers