| article html file updated | 1 September 2025 13:51 CEST | Update | https://www.mdpi.com/2079-3200/8/4/40 |
| article html file updated | 23 July 2022 01:41 CEST | Update | - |
| article html file updated | 19 November 2020 10:53 CET | Original file | - |
| article pdf uploaded. | 19 November 2020 10:52 CET | Version of Record | https://www.mdpi.com/2079-3200/8/4/40/pdf |
| article xml uploaded. | 19 November 2020 10:52 CET | Update | https://www.mdpi.com/2079-3200/8/4/40/xml |
| article xml file uploaded | 19 November 2020 10:52 CET | Original file | - |
