| article html file updated | 7 September 2025 10:10 CEST | Update | https://www.mdpi.com/1999-4893/15/1/6 |
| article html file updated | 31 July 2022 00:19 CEST | Update | - |
| article html file updated | 27 December 2021 10:00 CET | Update | - |
| article html file updated | 27 December 2021 04:21 CET | Original file | - |
| article pdf uploaded. | 27 December 2021 04:20 CET | Updated version of record | https://www.mdpi.com/1999-4893/15/1/6/pdf |
| article xml uploaded. | 27 December 2021 04:20 CET | Update | https://www.mdpi.com/1999-4893/15/1/6/xml |
| article xml file uploaded | 27 December 2021 04:20 CET | Original file | - |
| article pdf uploaded. | 24 December 2021 11:56 CET | Version of Record | https://www.mdpi.com/1999-4893/15/1/6/pdf-vor |
