| article html file updated | 16 June 2015 05:05 CEST | Update | https://www.mdpi.com/1424-8220/8/11/7172 |
| article html file updated | 1 October 2013 09:01 CEST | Original file | N/A |
| article xml file uploaded | 1 October 2013 09:01 CEST | Original file | https://www.mdpi.com/1424-8220/8/11/7172/xml |
