| article html file updated | 16 June 2015 04:45 CEST | Update | https://www.mdpi.com/1424-8220/8/8/5120 |
| article html file updated | 9 August 2013 08:28 CEST | Update | - |
| article xml file uploaded | 9 August 2013 08:28 CEST | Update | https://www.mdpi.com/1424-8220/8/8/5120/xml |
| article html file updated | 3 July 2013 17:03 CEST | Original file | - |
| article xml file uploaded | 3 July 2013 17:02 CEST | Original file | - |
