Authors: Michael D Hill; William Brooks; Ariane Mackey; Wayne M Clark; James F Meschia; William F Morrish; J P Mohr; J David Rhodes; Jeffrey J Popma; Brajesh K Lal; Mary E Longbottom; Jenifer H Voeks; George Howard; Thomas G Brott Journal: Circulation Date: 2012-11-16 Impact factor: 29.690