. 2018 Dec 20;4(2):e11373. doi: 10.2196/11373
©Maria M Karsten, Dorothee Speiser, Claudia Hartmann, Nele Zeuschner, Kai Lippold, Verena Kiver, Peter Gocke, Valerie Kirchberger, Jens-Uwe Blohmer. Originally published in JMIR Cancer (http://cancer.jmir.org), 20.12.2018.
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Figure 2.
Patients who agreed to follow up versus who declined to follow up patient reported outcome measurement.