Nature Communications 2, Article number: 228 (2011); Published: 8 March 2011; Updated: 7 February 2012 In Supplementary Table S2 of this Article, some of the sampling locations are incorrect, as follows: Sample IDs Bes10, Bes22, Bes23, Bes24, Bes4, Bes5, Bes6, Bes8 and Bes9 should be Pelaragan. Sample ID Bes11 should be Merpayang.