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Yao J, Agadjanian V.Yao J, et al. Among authors: agadjanian v.BMC Health Serv Res. 2018 Dec 29;18(1):1006. doi: 10.1186/s12913-018-3834-y.BMC Health Serv Res. 2018.PMID: 30594198Free PMC article.