| article html file updated | 1 September 2025 17:22 CEST | Update | https://www.mdpi.com/1999-4907/12/1/40 |
| article html file updated | 23 July 2022 08:40 CEST | Update | - |
| article html file updated | 1 January 2021 10:00 CET | Update | - |
| article html file updated | 31 December 2020 12:57 CET | Original file | - |
| article pdf uploaded. | 31 December 2020 12:56 CET | Updated version of record | https://www.mdpi.com/1999-4907/12/1/40/pdf |
| article xml uploaded. | 31 December 2020 12:56 CET | Update | https://www.mdpi.com/1999-4907/12/1/40/xml |
| article xml file uploaded | 31 December 2020 12:56 CET | Original file | - |
| article pdf uploaded. | 30 December 2020 12:26 CET | Version of Record | https://www.mdpi.com/1999-4907/12/1/40/pdf-vor |
