| article html file updated | 7 September 2025 07:36 CEST | Update | https://www.mdpi.com/2218-2004/9/4/109 |
| article html file updated | 30 July 2022 20:51 CEST | Update | N/A |
| article html file updated | 20 December 2021 09:57 CET | Update | N/A |
| article pdf uploaded. | 20 December 2021 09:55 CET | Updated version of record | https://www.mdpi.com/2218-2004/9/4/109/pdf |
| article html file updated | 7 December 2021 10:20 CET | Original file | N/A |
| article pdf uploaded. | 7 December 2021 10:17 CET | Version of Record | https://www.mdpi.com/2218-2004/9/4/109/pdf-vor |
| article xml uploaded. | 7 December 2021 10:17 CET | Update | https://www.mdpi.com/2218-2004/9/4/109/xml |
| article xml file uploaded | 7 December 2021 10:17 CET | Original file | N/A |
