Authors: Lori B Daniels; Matthew S Tjajadi; Hannah H Walford; Susan Jimenez-Fernandez; Vera Trofimenko; Daryl B Fick; Hoang-Anh L Phan; Peter E Linz; Keshav Nayak; Andrew M Kahn; Jane C Burns; John B Gordon Journal: Circulation Date: 2012-05-17 Impact factor: 29.690