1. Department of Cardiovascular Medicine Saiseikai Futsukaichi Hospital Chikushino Japan
2. Advanced Industrial Services Fuji Xerox Co., Ltd. Kanagawa Japan
3. Center for Clinical and Translational Research Kyushu University Hospital Fukuoka Japan
4. Imaging Device Development Fuji Xerox Co., Ltd. Kanagawa Japan
5. Sleep Apnea Center Kyushu University Hospital Fukuoka Japan