1. School of Medicine, Hirosaki University, Hirosaki 036-8562, Japan
2. Department of Social Medicine, Graduate School of Medicine, Hirosaki University, Hirosaki 036-8562, Japan
3. Department of Stress Response Science, Center for Advanced Medical Research, Graduate School of Medicine, Hirosaki University, Hirosaki 036-8562, Japan
4. Research and Development Division, MiRTeL Company Limited, Hiroshima 734-0001, Japan
5. Innovation Center for Health Promotion, Graduate School of Medicine, Hirosaki University, Hirosaki 036-8562, Japan