1. Department of Cerebrovascular Medicine Stroke Center Saga Prefecture Medical Centre Koseikan SagaJapan
2. Department of Neurology Stroke Center Saga Prefecture Medical Centre Koseikan SagaJapan
3. Department of Pediatrics Saga Prefecture Medical Centre Koseikan SagaJapan
4. Research Institute of Medical Mass Spectrometry Kurume University School of Medicine KurumeJapan
5. Department of Pediatrics and Child Health Kurume University School of Medicine KurumeJapan
6. Department of Medicine and Clinical Science Graduate School of Medical Sciences Kyushu University Fukuoka Japan