Correction to: Osteoporosis International (2019) 30:2391–2400
10.1007/s00198-019-05103-6
The article [Bone health in estrogen-free contraception], written by [P. Hadji, E. Colli, P.-A. Regidor], was originally published Online First without Open Access. After publication in volume [30], issue [12], page [2391–2400] the author decided to opt for Open Choice and to make the article an Open Access publication. Therefore, the copyright of the article has been changed to © The Author(s) [2019] and the article is forthwith distributed under the terms of a Creative Commons Attribution-NonCommercial 4.0 International License (https://creativecommons.org/licenses/by-nc/4.0/), which permits any non-commercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
The original article has been corrected.
Footnotes
The online version of the original article can be found at 10.1007/s00198-019-05103-6
Contributor Information
P. Hadji, Email: p.hadji@outlook.de
E. Colli, Email: enrico.colli@exeltis.com
P.-A. Regidor, Email: pedro-antonio.regidor@exeltis.com