Eight out of the 16 SNPs (T146C, T199C, A16182C, T16217C, T16297C, T16140C, A16183C, T16189C) were frequently found in the Kinh ethnic group but not or only rarely in the Mang ethnic group. On the other hand, 4 SNPs (C151T, A16162G, A16269G, T16271C) were commonly found in the Mang population but rarely in the Kinh population.