Primary source: elifesciences.org/articles/23882
Verified locator: eLife 6:e23882 (2017), DOI 10.7554/eLife.23882. Abstract; Figure 7A–O and associated serial-EM Results; Video 9 legend; Axonal EM analyses. Byline also verified in authors' Cambridge repository data guide api.repository.cam.ac.uk/server/api/core/bitstreams/35fa225c-2523-4979-9b23-0fa62e355fe5/content .