1. Department of Pediatrics; Kanazawa Red Cross Hospital; Kanazawa Japan
2. Department of Pediatrics; Graduate School of Medical Science; Kanazawa University; Kanazawa Japan
3. Department of Neurosurgery; Kanazawa Red Cross Hospital; Kanazawa Japan
4. Department of Radiology; Kanazawa Red Cross Hospital; Kanazawa Japan
5. Fujisawa Ophthalmologic and Pediatric Clinic; Kanazawa Japan
6. Department of Neurosurgery; Kanazawa Medical University Hospital; Uchinada Japan