1. Department of Neurosurgery, Kyoto Katsura Hospital, Kyoto City, Kyoto, Japan
2. Department of Neurology, Kyoto Katsura Hospital, Kyoto City, Kyoto, Japan
3. Department of Thoracic Surgery, Kyoto Katsura Hospital, Kyoto City, Kyoto, Japan
4. Department of Ophthalmology, Kyoto Katsura Hospital, Kyoto City, Kyoto, Japan