Figure 1From: The Fangshan/Family-based Ischemic Stroke Study In China (FISSIC) protocol Geographic map of the Fangshan/Family-based Ischemic Stroke Study In China (FISSIC) program region. The cross symbol and spots symbols in the map of Fangshan indicate the Central Hospital (the First Hospital of Fangshan District) and Community Register Sites respectively.Back to article page