| article html file updated | 18 August 2026 21:40 CEST | Update | https://www.mdpi.com/1996-1073/14/4/870 |
| article html file updated | 1 September 2025 21:01 CEST | Update | N/A |
| article html file updated | 24 July 2022 19:01 CEST | Update | N/A |
| article html file updated | 24 February 2021 07:13 CET | Update | N/A |
| article pdf uploaded. | 24 February 2021 07:11 CET | Updated version of record | https://www.mdpi.com/1996-1073/14/4/870/pdf |
| article xml uploaded. | 24 February 2021 07:11 CET | Update | https://www.mdpi.com/1996-1073/14/4/870/xml |
| article xml file uploaded | 24 February 2021 07:11 CET | Update | N/A |
| article html file updated | 8 February 2021 03:56 CET | Original file | N/A |
| article pdf uploaded. | 8 February 2021 03:54 CET | Updated version of record | https://www.mdpi.com/1996-1073/14/4/870/pdf-vor |
| article xml uploaded. | 8 February 2021 03:54 CET | Update | N/A |
| article xml file uploaded | 8 February 2021 03:54 CET | Original file | N/A |
| article pdf uploaded. | 7 February 2021 11:55 CET | Version of Record | https://www.mdpi.com/1996-1073/14/4/870/pdf-vor |
