1. Department of Obstetrics and Gynecology, School of Medicine, Iwate Medical University, Morioka, Japan.
2. Department of Laboratory Medicine, School of Medicine, Iwate Medical University, Morioka, Japan.
3. ICS, Co., Ltd., Morioka, Japan.
4. Department of Pediatrics, Institute of Clinical Medicine, University of Tsukuba, Tsukuba, Japan.
5. Department of Bioimaging Center, School of Medicine, Iwate Medical University, Morioka, Japan.
6. Department of Welfare Engineering, Faculty of Engineering, Iwate University, Morioka, Japan.
7. Department of Materials Science and Engineering, Faculty of Engineering, Iwate University, Morioka, Japan.