Affiliation: | 1. Department of Obstetrics and Gynecology, Fukushima Medical University, Fukushima, Japan;2. Department of Neurology, Fukushima Medical University, Fukushima, Japan;3. Fukushima Global Medical Science Center, Advanced Clinical Research Center, Fukushima Medical University, Fukushima, Japan;4. Department of Biological Sciences, Asahikawa Medical University, Asahikawa, Japan |