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Callaghan BC, Reynolds E, Banerjee M, Chant E, Villegas-Umana E, Feldman EL.Callaghan BC, et al. Among authors: feldman el.Mayo Clin Proc. 2020 Jul;95(7):1342-1353. doi: 10.1016/j.mayocp.2020.03.025.Mayo Clin Proc. 2020.PMID: 32622444Free PMC article.