JKAN became an open-access journal from December 2013 (Vol. 43 No. 6) and articles are made freely available online immediately upon publication. Articles are published under the terms of the Creative Commons License Attribution-No Derivative (CC-BY-ND), which allows readers to disseminate and reuse the article, as well as share and reuse the scientific material. It does not permit the creation of derivative works without specific permission. To view a copy of this license visit: https://creativecommons.org/licenses/by-nd/4.0/.