 In some nations, such as South Korea, the stigma surrounding autism is so high that families may avoid getting their child tested for autism even when the child has noticeable developmental delays.Elsabbagh and colleagues (2012) cite multiple challenges for researchers, including lack of funding for research.The 10/90 gap means that only 10 percent of global spending on health goes toward funding for problems that affect the poorest 90 percent of the world.