Implementation of a Home-Based mHealth App Intervention Program With Human Mediation for Swallowing Tongue Pressure Strengthening Exercises in Older Adults: Longitudinal Observational Study

HyangHee Kim   ^{1, 1, 2} , PhD, CCC-SLP ;   Nam-Bin Cho   ¹ , BA ;   Jinwon Kim   ³ , MSc ;   Kyung Min Kim   ¹ , BA ;   Minji Kang   ¹ , MA ;   Younggeun Choi   ³ , MSc ;   Minjae Kim   ³ , BSc ;   Heecheon You   ³ , PhD ;   Seok In Nam   ⁴ , PhD ;   Soyeon Shin   ¹ , BA

¹ Graduate Program in Speech-Language Pathology, Yonsei University College of Medicine, Seoul, Republic of Korea

² Department and Research Institute of Rehabilitation Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea

³ Department of Industrial and Management Engineering, Pohang University of Science and Technology, Pohang, Republic of Korea

⁴ Graduate School of Social Welfare, Yonsei University, Seoul, Republic of Korea