Additional file 1: Figure S1. of Prevalence of severe early childhood caries and associated socioeconomic and behavioral factors in Xinjiang, China: a cross-sectional study LiYan WulaerhanJibieke LiuYuan AbudureyimuAyinuer ZhaoJin 2017 The map of Xinjiang. The red tags indicate the geographic study areas. (DOCX 64 kb) (DOCX 64 kb)