1 Department of Cardiovascular Medicine, North Medical Center, Kyoto Prefectural University of Medicine. 481 Otokoyama, Yosano-cho, Kyoto, 629-2261, Japan.
2 Department of Otorhinolaryngology, North Medical Center, Kyoto Prefectural University of Medicine. 481 Otokoyama, Yosano-cho, Kyoto, 629-2261, Japan.