. 2016 Oct 31;88(1):90–95. doi: 10.1080/17453674.2016.1253329
© 2016 The Author(s). Published by Taylor & Francis on behalf of the Nordic Orthopedic Federation.
This is an Open Access article distributed under the terms of the Creative Commons Attribution-Non-Commercial License (https://creativecommons.org/licenses/by-nc/3.0)
Figure 1.
Flow chart of inclusion.