Perhaps not so far off ... http://journals.plos.org/plosone/article/figure?id=10.1371/journal.pone.0178400.g006 http://journals.plos.org/plosone/article/figure

Perhaps not so far off ... http://journals.plos.org/plosone/article/figure?id=10.1371/journal.pone.0178400.g006 http://journals.plos.org/plosone/article/figure?id=10.1371/j...