. 2017 Aug 16;19(8):e291. doi: 10.2196/jmir.8262
©Esther PWA Talboom-Kamp, Noortje A Verdijk, Marise J Kasteleyn, Lara M Harmans, Irvin JSH Talboom, Ingrid Looijmans-van den Akker, Nan van Geloven, Mattijs E Numans, Niels H Chavannes. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 16.08.2017.
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Figure 2.
Interrupted time series measurements of the Clinical COPD Questionnaire per interval.