. 2018 Mar 29;9:630. doi: 10.3389/fimmu.2018.00630
Copyright © 2018 Hulshof, Overbeek, Wyllie, Chu, Bogaert, de Jager, Knippels, Sanders, van Aalderen, Garssen, van’t Land, Sprikkelman and The Clinical Study Group.
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Figure 1.
Flowchart of study inclusion and exclusion.