. 2016 Nov 25;6(3):529–540. doi: 10.1159/000450885
Copyright © 2016 the Authors
This article is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND) (http://www.karger.com/Services/OpenAccessLicense). Usage and distribution for commercial purposes as well as any distribution of modified material requires written permission.