1. Research Fellow.
2. Research Assistant.
3. Chief of Molecular and Genetic Diagnosis Section, Department of Laboratory Medicine; National Center of Neurology and Psychiatry, Tokyo, Japan.
4. Coordinator of the Japanese Malignant Hyperthermia Association, Department of Anesthesiology, Tokyo Rinkai Hospital, Tokyo, Japan.
5. Professor and Chairman, Department of Anesthesiology, Saitama Medical School, Saitama, Japan.
6. Section Chief.
7. Professor and Chairman, First Department of Anesthesiology, Toho University Graduate School of Medicine, Tokyo, Japan.
8. Director, Department of Neuromuscular Research, National Institute of Neuroscience.