1. Department of Obstetrics and Gynecology, Juntendo University Faculty of Medicine
2. Department of Obstetrics and Gynecology, Saitama Medical Center, Saitama Medical University
3. Department of Emergency and Intensive Care, Shiga University of Medical Science
4. Central Research Institute of Maruha Corp.
5. Department of Molecular Behavioral Biology, Osaka Bioscience Institute
6. International Institute for Integrative Sleep Medicine, University of Tsukuba