| article html file updated | 7 September 2025 04:19 CEST | Update | https://www.mdpi.com/2226-4787/9/4/181 |
| article html file updated | 30 July 2022 14:39 CEST | Update | - |
| article html file updated | 9 November 2021 08:55 CET | Update | - |
| article pdf uploaded. | 9 November 2021 08:54 CET | Updated version of record | https://www.mdpi.com/2226-4787/9/4/181/pdf |
| article xml uploaded. | 9 November 2021 08:54 CET | Update | https://www.mdpi.com/2226-4787/9/4/181/xml |
| article xml file uploaded | 9 November 2021 08:54 CET | Update | - |
| article html file updated | 3 November 2021 10:28 CET | Original file | - |
| article pdf uploaded. | 3 November 2021 10:08 CET | Version of Record | https://www.mdpi.com/2226-4787/9/4/181/pdf-vor |
| article xml uploaded. | 3 November 2021 10:08 CET | Update | - |
| article xml file uploaded | 3 November 2021 10:08 CET | Original file | - |
