Jung Jongsun et al. (2010) said that genetic structure analysis found significant admixture in ""Vietnamese (or Cambodian) with unknown Southern original settlers."" The study said that it used Cambodians and Vietnamese to represent "Southern people," and the study used Cambodia (Khmer) and Vietnam (Kinh) as its populations for "South Asia." The study said that Chinese people are located between Korean and Vietnamese people in the study's genome map. The study also said that Vietnamese people are located between Chinese and Cambodian people in the study's genome map.