At-Home Immersive Virtual Reality Exergames to Reduce Cardiometabolic Risk Among Office Workers: Protocol for a Randomized Controlled Trial - Jing Zhao; Akitomo Yasunaga; Andrew T Kaczynski; Hyuntae Park; Yufeng Luo; Jiuling Li; Ai Shibata; Kaori Ishii; Shohei Yano; Koichiro Oka; Mohammad Javad Koohsari (JMIR Research Protocols)