| article html file updated | 1 September 2025 18:22 CEST | Update | https://www.mdpi.com/1999-4893/14/1/20 |
| article html file updated | 23 July 2022 14:12 CEST | Update | - |
| article html file updated | 22 January 2021 02:42 CET | Update | - |
| article pdf uploaded. | 22 January 2021 02:40 CET | Updated version of record | https://www.mdpi.com/1999-4893/14/1/20/pdf |
| article xml uploaded. | 22 January 2021 02:40 CET | Update | https://www.mdpi.com/1999-4893/14/1/20/xml |
| article xml file uploaded | 22 January 2021 02:40 CET | Update | - |
| article html file updated | 12 January 2021 08:21 CET | Original file | - |
| article pdf uploaded. | 12 January 2021 08:20 CET | Version of Record | https://www.mdpi.com/1999-4893/14/1/20/pdf-vor |
| article xml uploaded. | 12 January 2021 08:20 CET | Update | - |
| article xml file uploaded | 12 January 2021 08:20 CET | Original file | - |
