| article html file updated | 16 June 2015 05:02 CEST | Update | https://www.mdpi.com/1424-8220/8/11/6860 |
| article html file updated | 1 October 2013 08:56 CEST | Original file | N/A |
| article xml file uploaded | 1 October 2013 08:55 CEST | Original file | https://www.mdpi.com/1424-8220/8/11/6860/xml |
