Author M. Kulik W. Nusselder H. Boshuizen S. Lhachimi E. Fernandez P. Baili K. Bennett J. Mackenbach H. Smit Year of Publication 2012 DOI 10.1371/journal.pone.0032363 DOIGoogle ScholarBibTeXEndNote X3 XMLEndNote 7 XMLEndnote taggedMarcRIS