. Author manuscript; available in PMC: 2018 Mar 1.
Published in final edited form as: Bone. 2017 Dec 28;108:79–88. doi: 10.1016/j.bone.2017.12.025
This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).