“…In 2000, Japan’s Road Traffic Law stipulating CSS use among children aged 0–5 years went into effect, while, in China, even today there is no national legislation [9]. To increase CSS use following hospital discharge and improve the knowledge of parents, many intervention programs have been implemented, including CSS education, CSS installation training, CSS discharge polices of newborns and CSS laws, all of which showed success in increasing CSS use [10,11,12,13,14,15,16,17,18,19]. A published review in 2001 showed that more than 10 programs included the strategies of providing free loaner CSS, giveaways or low-cost rentals to the parents of children, in addition to educational components such as instruction or written materials, professional installation training, or rehearsal of skills [20].…”