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Meier A, Yopp A, Mok H, Kandunoori P, Tiro J, Singal AG.Meier A, et al. Among authors: singal ag.Qual Life Res. 2015 Jul;24(7):1669-75. doi: 10.1007/s11136-014-0895-1. Epub 2014 Dec 13.Qual Life Res. 2015.PMID: 25502092Free PMC article.