. 2014 Jan 10;6:21–27. doi: 10.2147/CEOR.S55899
© 2014 Oddershede et al. This work is published by Dove Medical Press Limited, and licensed under Creative Commons Attribution – Non Commercial (unported, v3.0) License
The full terms of the License are available at http://creativecommons.org/licenses/by-nc/3.0/. Non-commercial uses of the work are permitted without any further permission from Dove Medical Press Limited, provided the work is properly attributed.
Figure 2.
Questionnaire used to assess health on visual analog scales.