1. Department of Medical Technology, Kagawa Prefectural University of Health Sciences, Takamatsu 761-0123, Japan
2. Division of Pediatric Neurology, David Geffen School of Medicine at UCLAD Los Angeles 90095, US
3. Division of Child Neurology, Department of Brain and Neurosciences, Faculty of Medicine, Tottori University, Yonago 683-8503, Japan
4. Division of Clinical Laboratory, Tottori University Hospita, Yonago 683-8503, Japan