. 2017 Sep 28;3(2):e15. doi: 10.2196/cancer.7312
©Mies C van Eenbergen, Lonneke V van de Poll-Franse, Peter Heine, Floortje Mols. Originally published in JMIR Cancer (http://cancer.jmir.org), 28.09.2017.
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Figure 1.
Flow chart of the literature search.