Correction: Gene Expression Profiling of Ampullary Carcinomas Classifies Ampullary Carcinomas into Biliary-Like and Intestinal-Like Subtypes That Are Prognostic of Outcome

The name of the fifth author was given incorrectly. The correct name is: Zhi-Qin Jiang. The correct citation is: Overman MJ, Zhang J, Kopetz S, Davies M, Jiang Z-Q, et al. (2013) Gene Expression Profiling of Ampullary Carcinomas Classifies Ampullary Carcinomas into Biliary-Like and Intestinal-Like Subtypes That Are Prognostic of Outcome. PLoS ONE 8(6): e65144. doi:10.1371/journal.pone.0065144. The correct abbreviation in Citations is: ZQJ.