| article html file updated | 6 February 2020 11:43 CET | Update | https://www.mdpi.com/1996-1944/7/8/6092 |
| article html file updated | 7 May 2019 09:15 CEST | Update | - |
| article html file updated | 21 March 2019 23:39 CET | Update | - |
| article html file updated | 20 August 2015 16:18 CEST | Update | - |
| article html file updated | 12 September 2014 12:23 CEST | Update | - |
| article xml file uploaded | 12 September 2014 12:23 CEST | Update | https://www.mdpi.com/1996-1944/7/8/6092/xml |
| article html file updated | 5 September 2014 12:24 CEST | Original file | - |
| article xml file uploaded | 5 September 2014 12:24 CEST | Original file | - |
| article pdf uploaded. | 22 August 2014 13:48 CEST | Version of Record | https://www.mdpi.com/1996-1944/7/8/6092/pdf |
