1. Department of Respiratory Medicine, Graduate School of Medical Sciences; Kumamoto University; Kumamoto Japan
2. Department of Neurology, Graduate School of Medical Sciences; Kumamoto University; Kumamoto Japan
3. Department of clinical investigation (biostatistics), Graduate School of Medical Sciences; Kumamoto University; Kumamoto Japan
4. Asian Neurological Intractable Diseases Research and Clinic (AIDReC), Graduate School of Medical Sciences; Kumamoto University; Kumamoto Japan