| article html file updated | 1 September 2025 22:12 CEST | Update | https://www.mdpi.com/1996-1944/14/4/990 |
| article html file updated | 25 July 2022 04:12 CEST | Update | - |
| article html file updated | 26 February 2021 02:00 CET | Update | - |
| article pdf uploaded. | 26 February 2021 01:58 CET | Updated version of record | https://www.mdpi.com/1996-1944/14/4/990/pdf |
| article xml uploaded. | 26 February 2021 01:58 CET | Update | https://www.mdpi.com/1996-1944/14/4/990/xml |
| article xml file uploaded | 26 February 2021 01:58 CET | Update | - |
| article html file updated | 24 February 2021 02:02 CET | Original file | - |
| article pdf uploaded. | 24 February 2021 02:01 CET | Updated version of record | https://www.mdpi.com/1996-1944/14/4/990/pdf-vor |
| article xml uploaded. | 24 February 2021 02:01 CET | Update | - |
| article xml file uploaded | 24 February 2021 02:01 CET | Original file | - |
| article pdf uploaded. | 19 February 2021 19:13 CET | Version of Record | https://www.mdpi.com/1996-1944/14/4/990/pdf-vor |
