Text and Data Mining valid from 2019-11-18
Received: 8 May 2019
Accepted: 9 October 2019
First Online: 18 November 2019
Change Date: 6 February 2020
Change Type: Correction
Change Details: An amendment to this paper has been published and can be accessed via a link at the top of the paper.
: R.J.S. and X.Z. are cofounders of REquest Genomics, LLC, a company that provides epigenomics services.