| article html file updated | 6 February 2020 22:24 CET | Update | https://www.mdpi.com/2071-1050/7/9/12190 |
| article html file updated | 6 May 2019 12:10 CEST | Update | - |
| article html file updated | 26 March 2019 09:58 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/2071-1050/7/9/12190/xml |
| article html file updated | 23 September 2015 09:17 CEST | Original file | - |
| article xml file uploaded | 23 September 2015 09:17 CEST | Original file | - |
| article pdf uploaded. | 2 September 2015 13:33 CEST | Version of Record | https://www.mdpi.com/2071-1050/7/9/12190/pdf |
