| article html file updated | 7 February 2020 19:22 CET | Update | https://www.mdpi.com/1996-1944/9/12/1000 |
| article html file updated | 22 September 2019 10:08 CEST | Update | - |
| article html file updated | 4 May 2019 19:44 CEST | Update | - |
| article html file updated | 28 December 2016 10:44 CET | Update | - |
| article html file updated | 9 December 2016 14:41 CET | Original file | - |
| article xml uploaded. | 9 December 2016 14:39 CET | Update | https://www.mdpi.com/1996-1944/9/12/1000/xml |
| article xml uploaded. | 9 December 2016 14:39 CET | Original file | - |
| article pdf uploaded. | 9 December 2016 14:39 CET | Version of Record | https://www.mdpi.com/1996-1944/9/12/1000/pdf |
