Wearable Device and Algorithm for Fall Prevention: Monitoring Fall Risk Using Foot Motion Measured by an In-Shoe Motion Sensor. - Chenhui Huang; Fumiyuki Nihey; Takuma Inai; Yoshiyuki Kobayashi; Koji Fujita; Akiko Yamamoto; Masahiro Fujimoto; Kenichiro Fukushi; Kentaro Nakahara (IEEE Trans. Instrum. Meas., 2024)