Protocol for an interventional study to reduce postpartum weight retention in obese mothers using the internet of things and a mobile application: a randomized controlled trial (SpringMom). - Kawasaki, Maki; Mito, Asako; Waguri, Masako; Sato, Yuichi; Abe, Emiko; Shimada, Mayumi; Fukuda, Sayuri; Sasaki, Yuki; Fujikawa, Kei; Sugiyama, Takashi; Ota, Erika; Nakazawa, Jin; et al. (BMC Pregnancy & Childbirth, 2021)