@article{Kal2016, author = "E. Kal and M. Winters and J. van der Kamp and H. Houdijk and E. Groet and C. van Bennekom and E. Scherder", title = "{NOS-scores of included studies.}", year = "2016", month = "12", url = "https://plos.figshare.com/articles/dataset/NOS-scores_of_included_studies_/4477304", doi = "10.1371/journal.pone.0166376.t001" }