PLOS ONE (2016) - Comment
pubmed: 27736936  doi: 10.1371/journal.pone.0164378  issn: 1932-6203 

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Brandi M. Baughman, Huanchen Wang, Yi An, Dmitri Kireev, Michael A. Stashko, Henning J. Jessen, Kenneth H. Pearce, Stephen V. Frye, Stephen B. Shears, Chunhua Song