Monitoring respiratory rates with a wearable system using a stretchable strain sensor during moderate exercise. - Akio Yamamoto; Hiroyuki Nakamoto; Yusuke Bessho; Yu Watanabe; Yutaro Oki; Kumiko Ono; Yukari Fujimoto; Tsutomu Terada; Akira Ishikawa (Medical Biol. Eng. Comput., 2019)