| article html file updated | 17 June 2015 10:38 CEST | Update | https://www.mdpi.com/1424-8220/13/7/8331 |
| article html file updated | 29 October 2013 08:09 CET | Update | N/A |
| article xml file uploaded | 29 October 2013 08:08 CET | Update | https://www.mdpi.com/1424-8220/13/7/8331/xml |
| article html file updated | 2 September 2013 14:50 CEST | Update | N/A |
| article xml file uploaded | 2 September 2013 14:50 CEST | Update | N/A |
| article html file updated | 2 September 2013 11:24 CEST | Original file | N/A |
| article xml file uploaded | 2 September 2013 11:23 CEST | Original file | N/A |
| article pdf uploaded. | 27 June 2013 13:59 CEST | Version of Record | https://www.mdpi.com/1424-8220/13/7/8331/pdf |
