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van Veghel D, Soliman-Hamad M, Schulz DN, Cost B, Simmers TA, Dekker LRC.van Veghel D, et al. Among authors: simmers ta.BMC Health Serv Res. 2020 Jun 3;20(1):494. doi: 10.1186/s12913-020-05352-w.BMC Health Serv Res. 2020.PMID: 32493361Free PMC article.