Swallowscope: A smartphone based device for the assessment of swallowing ability. - Dushyantha Jayatilake; Kenji Suzuki 002; Yohei Teramoto; Tomoyuki Ueno; Kei Nakai; Kikue Hidaka; Satoshi Ayuzawa; Kiyoshi Eguchi; Akira Matsumura (BHI, 2014)