RT Journal T1 Factual error in: Literatim JF JAMA JO JAMA YR 2009 FD October 7 VO 302 IS 13 SP 1420 OP 1420 DO 10.1001/jama.302.13.1420 UL http://dx.doi.org/10.1001/jama.302.13.1420 AB Factual Error: In the Literatim published in the August 19, 2009, issue of JAMA (2009;302[7]:804-806), the last sentence of the second paragraph contained an error. The sentence should have read “But it was John Jacob Astor, the first US multimillionaire, who put Mackinac Island on the map in 1817, when Michigan was still a territory of the United States and Astor chose the island as the main trading post of his fabled American Fur Company, a pelt empire that spanned from the Great Lakes to the Mississippi River.”