| article html file updated | 14 August 2014 12:05 CEST | Update | https://www.mdpi.com/1424-8220/6/7/697 |
| article xml file uploaded | 14 August 2014 12:05 CEST | Update | https://www.mdpi.com/1424-8220/6/7/697/xml |
| article html file updated | 20 January 2014 08:42 CET | Original file | N/A |
| article xml file uploaded | 20 January 2014 08:42 CET | Original file | N/A |
