| article html file updated | 9 February 2020 11:15 CET | Update | https://www.mdpi.com/1996-1944/11/4/494 |
| article html file updated | 1 October 2019 23:26 CEST | Update | - |
| article html file updated | 1 May 2019 08:44 CEST | Update | - |
| article html file updated | 17 April 2019 08:39 CEST | Update | - |
| article html file updated | 29 March 2019 09:48 CET | Update | - |
| article html file updated | 2 May 2018 13:45 CEST | Update | - |
| article html file updated | 26 March 2018 09:08 CEST | Original file | - |
| article xml uploaded. | 26 March 2018 09:07 CEST | Update | https://www.mdpi.com/1996-1944/11/4/494/xml |
| article pdf uploaded. | 26 March 2018 09:07 CEST | Version of Record | https://www.mdpi.com/1996-1944/11/4/494/pdf |
