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Workshop Participant Photos. (a) 2004 Cryo-EM structure deposition workshop; (b) 2010 EM Validation Task Force (EM VTF) Workshop; (c) 2011 model challenge workshop; (d) 2017 joint challenges workshop. Image in (d) Reprinted with permission from C. L. Lawson and W. Chiu, J. Struct. Biol. 204(3), 523–526 (2018). Copyright 2018 Elsevier.
