. 2018 Oct 23;89(6):640–645. doi: 10.1080/17453674.2018.1518570
© 2018 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/4.0)