Authors: Stephen L Hauser; Emmanuelle Waubant; Douglas L Arnold; Timothy Vollmer; Jack Antel; Robert J Fox; Amit Bar-Or; Michael Panzara; Neena Sarkar; Sunil Agarwal; Annette Langer-Gould; Craig H Smith Journal: N Engl J Med Date: 2008-02-14 Impact factor: 91.245