| article html file updated | 7 September 2025 09:24 CEST | Update | https://www.mdpi.com/2227-7099/9/4/204 |
| article html file updated | 30 July 2022 23:23 CEST | Update | - |
| article html file updated | 21 December 2021 09:50 CET | Update | - |
| article pdf uploaded. | 21 December 2021 09:49 CET | Updated version of record | https://www.mdpi.com/2227-7099/9/4/204/pdf |
| article xml uploaded. | 21 December 2021 09:48 CET | Update | https://www.mdpi.com/2227-7099/9/4/204/xml |
| article xml file uploaded | 21 December 2021 09:48 CET | Update | - |
| article html file updated | 20 December 2021 12:42 CET | Original file | - |
| article pdf uploaded. | 20 December 2021 12:41 CET | Version of Record | https://www.mdpi.com/2227-7099/9/4/204/pdf-vor |
| article xml uploaded. | 20 December 2021 12:41 CET | Update | - |
| article xml file uploaded | 20 December 2021 12:41 CET | Original file | - |
