1. Department of Mechanical Engineering, Tokyo Metropolitan University, Hachioji, Tokyo, Japan
2. Department of Surgery, Asahikawa Medical University, Asahikawa, Hokkaido, Japan
3. Department of Pathology, Asahikawa Medical University, Asahikawa, Hokkaido, Japan
4. National Center for Child Health and Development, Setagaya, Tokyo, Japan
5. Department of Clinical Pharmacology, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo, Japan