<br><br> <hr /> <center> <p style="font-size:10px"> Copyright: <a rel="license" href="http://creativecommons.org/licenses/by-nc-sa/4.0/"><img alt="Creative Commons License" style="border-width:0" src="https://i.creativecommons.org/l/by-nc-sa/4.0/88x31.png" /></a> <br/>B. Philipp Kleer, Justus-Liebig-Universität Gießen. </p> </center>