| article html file updated | 17 June 2015 11:35 CEST | Update | https://www.mdpi.com/1424-8220/13/7/9513 |
| article html file updated | 29 October 2013 08:18 CET | Update | N/A |
| article xml file uploaded | 29 October 2013 08:18 CET | Update | https://www.mdpi.com/1424-8220/13/7/9513/xml |
| article html file updated | 2 September 2013 14:53 CEST | Update | N/A |
| article xml file uploaded | 2 September 2013 14:53 CEST | Update | N/A |
| article html file updated | 2 September 2013 11:34 CEST | Original file | N/A |
| article xml file uploaded | 2 September 2013 11:34 CEST | Original file | N/A |
| article pdf uploaded. | 23 July 2013 09:49 CEST | Version of Record | https://www.mdpi.com/1424-8220/13/7/9513/pdf |
