Correction to: Osteoporosis International (2019) 30:2391–2400

https://doi.org/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.