1 aDivision of Molecular Epidemiology, Tohoku University Graduate School of Medicine bTohoku Medical Megabank Organization cDepartment of Obstetrics and Gynecology, Tohoku University Graduate School of Medicine, Sendai dDepartment of Hygiene and Public Health, Teikyo University School of Medicine, Tokyo eDepartment of Planning for Drug Development and Clinical Evaluation, Tohoku University Graduate School of Pharmaceutical Sciences fInternational Research Institute of Disaster Science, Sendai, Japan.