Genome Research 27: 87–94 (2017)
The authors would like to correct the omission of Supplemental Figure S4, which was inadvertently represented by a duplication of Supplemental Figure S3 in the initial publication of this article. Please note that the correct Supplemental Figure S4 has now been published online in the revised Supplemental Material. The authors apologize for any confusion this may have caused.
doi: 10.1101/gr.220574.117