| article html file updated | 31 August 2025 06:35 CEST | Update | https://www.mdpi.com/1996-1944/12/24/4207 |
| article html file updated | 19 July 2022 21:41 CEST | Update | - |
| article html file updated | 14 February 2020 18:45 CET | Update | - |
| article html file updated | 1 January 2020 01:19 CET | Update | - |
| article html file updated | 18 December 2019 04:40 CET | Update | - |
| article xml uploaded. | 18 December 2019 04:39 CET | Update | https://www.mdpi.com/1996-1944/12/24/4207/xml |
| article xml uploaded. | 18 December 2019 04:39 CET | Update | - |
| article xml uploaded. | 18 December 2019 04:39 CET | Update | - |
| article xml uploaded. | 18 December 2019 04:39 CET | Update | - |
| article xml uploaded. | 18 December 2019 04:39 CET | Update | - |
| article pdf uploaded. | 18 December 2019 04:39 CET | Updated version of record | https://www.mdpi.com/1996-1944/12/24/4207/pdf |
| article html file updated | 14 December 2019 08:32 CET | Original file | - |
| article pdf uploaded. | 14 December 2019 08:31 CET | Version of Record | https://www.mdpi.com/1996-1944/12/24/4207/pdf-vor |
| article xml uploaded. | 14 December 2019 08:31 CET | Update | - |
| article xml file uploaded | 14 December 2019 08:31 CET | Original file | - |
