| article html file updated | 7 September 2025 04:30 CEST | Update | https://www.mdpi.com/2227-7099/9/4/171 |
| article html file updated | 30 July 2022 15:10 CEST | Update | - |
| article html file updated | 5 November 2021 14:55 CET | Original file | - |
| article pdf uploaded. | 5 November 2021 14:53 CET | Version of Record | https://www.mdpi.com/2227-7099/9/4/171/pdf |
| article xml uploaded. | 5 November 2021 14:53 CET | Update | https://www.mdpi.com/2227-7099/9/4/171/xml |
| article xml file uploaded | 5 November 2021 14:53 CET | Original file | - |
