^○Ikuno Ito¹, Yohei Ono², Kyoko Koike¹, Akiha Taguchi¹ (1.National Hospital Organization Tokyo National Hospital, 2.Okayama University hospital, general medisine)

^○Yukio Katori (Dept. of ORL-HNS, Tohoku University)

^○Aki Shikida¹, Sayaka Komori², Sirinthip Amornsuradech², Ryosuke Yanagida², Akino Saiki², Haruka Tohara² (1.patient, 2.Department of Dysphagia Rehabilitation, Division of Gerontology and Gerodontology, Medical and Dental Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University)

^○Shu-Fen Siao¹, Shih-Chi Ku², Wen-Hsuan Tseng³, Yu-Chung Wei⁴, Yu-Chun Chang¹, Tzu-Yu Hsiao³, Tyng-Guey Wang⁵, Cheryl Chia-Hui Chen⁶ (1.School of Nursing, National Taiwan University College of Medicine, Taipei, Taiwan, 2.Department of Internal Medicine, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan, 3.Department of Otolaryngology, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan, 4.Graduate Institute of Statistics and Information Science, National Changhua University of Education, Changhua, Taiwan, 5.Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan, 6.Department of Nursing, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan)