. 2019 Dec 7;5(4):116–121. doi: 10.1016/j.afos.2019.11.002
© 2019 The Korean Society of Osteoporosis. Publishing services by Elsevier B.V.
This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).