. 2017 Nov 3;159(2):252–260. doi: 10.1097/j.pain.0000000000001097
Copyright © 2017 The Author(s). Published by Wolters Kluwer Health, Inc. on behalf of the International Association for the Study of Pain.
This is an open access article distributed under the Creative Commons Attribution License 4.0 (CCBY), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Table 1.
Characteristics of participants at initial baseline (n = 281).
