. 2015 Apr 23;10:3131–3146. doi: 10.2147/IJN.S80150
© 2015 Tang and Chen. 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 10.
Cluster analysis for choosing the representative structure.