map<string, string> vennsingle;
map<string, string> vennshared;
map<string, string> treegroup;
+ map<string, string> matrix;
map<string, string> boot;
map<string, string> distance;
map<string, string>::iterator it;
void initialVennSingle();
void initialVennShared();
void initialTreeGroups();
+ void initialMatrix();
void initialBoot();
void initialDistance();
};