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Hoekzema E, Schagen SE, Kreukels BP, Veltman DJ, Cohen-Kettenis PT, Delemarre-van de Waal H, Bakker J.Hoekzema E, et al. Among authors: bakker j.Psychoneuroendocrinology. 2015 May;55:59-71. doi: 10.1016/j.psyneuen.2015.01.016. Epub 2015 Jan 30.Psychoneuroendocrinology. 2015.PMID: 25720349Free article.