| article html file updated | 6 February 2020 22:36 CET | Update | https://www.mdpi.com/2071-1050/7/9/12340 |
| article html file updated | 6 May 2019 11:45 CEST | Update | - |
| article html file updated | 26 March 2019 10:21 CET | Update | - |
| article html file updated | 12 October 2015 12:32 CEST | Update | - |
| article xml file uploaded | 12 October 2015 12:32 CEST | Update | https://www.mdpi.com/2071-1050/7/9/12340/xml |
| article html file updated | 10 September 2015 13:44 CEST | Original file | - |
| article xml file uploaded | 10 September 2015 13:44 CEST | Original file | - |
| article pdf uploaded. | 9 September 2015 16:38 CEST | Version of Record | https://www.mdpi.com/2071-1050/7/9/12340/pdf |
