Icelandic researchers report identifying a gene that is associated with susceptibility to stroke. Their findings appear in the October issue of Nature Genetics. Co-senior author is medical geneticist and neurologist Kari Stefansson, chairman, chief executive officer and president of deCode Genetics (Reykjavik, Iceland). The basic findings are two in number, Stefansson said, “One is a gene that contains variants predisposed to the common form of stroke.