1. Department of Otorhinolaryngology, Nagoya University Graduate School of Medicine, Nagoya, Japan
2. Department of Otolaryngology, Stanford University, Stanford, California, United States
3. Department of Psychiatry, Nagoya University Graduate School of Medicine, Nagoya, Japan
4. Department of Neurosurgery, Fukushima Medical University, Fukushima, Japan
5. Department of Neurosurgery, Aichi Medical University, Aichi, Japan
6. Department of Plastic and Reconstructive Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan