| article html file updated | 16 June 2015 04:33 CEST | Update | https://www.mdpi.com/1424-8220/8/7/4165 |
| article html file updated | 31 July 2013 09:18 CEST | Update | N/A |
| article xml file uploaded | 31 July 2013 09:18 CEST | Update | https://www.mdpi.com/1424-8220/8/7/4165/xml |
| article html file updated | 1 July 2013 11:24 CEST | Original file | N/A |
| article xml file uploaded | 1 July 2013 11:22 CEST | Original file | N/A |
