| article html file updated | 12 February 2020 09:18 CET | Update | https://www.mdpi.com/1996-1944/12/9/1426 |
| article html file updated | 19 October 2019 09:31 CEST | Update | - |
| article html file updated | 24 May 2019 14:33 CEST | Update | - |
| article html file updated | 1 May 2019 10:38 CEST | Original file | - |
| article pdf uploaded. | 1 May 2019 10:37 CEST | Version of Record | https://www.mdpi.com/1996-1944/12/9/1426/pdf |
| article xml uploaded. | 1 May 2019 10:37 CEST | Update | https://www.mdpi.com/1996-1944/12/9/1426/xml |
| article xml file uploaded | 1 May 2019 10:37 CEST | Original file | - |
