1. Department of Neurosurgery, Kyoto First Red Cross Hospital, Kyoto, Kyoto, Japan
2. Department of Neurology and Stroke Treatment, Kyoto First Red Cross Hospital, Kyoto, Kyoto, Japan
3. Department of Cardiology, Kyoto First Red Cross Hospital, Kyoto, Kyoto, Japan
4. Department of Cardiovascular Surgery, Kyoto First Red Cross Hospital, Kyoto, Kyoto, Japan