| article html file updated | 1 September 2025 20:24 CEST | Update | https://www.mdpi.com/1999-4907/12/2/169 |
| article html file updated | 24 July 2022 10:18 CEST | Update | - |
| article html file updated | 3 February 2021 06:57 CET | Original file | - |
| article pdf uploaded. | 3 February 2021 06:55 CET | Updated version of record | https://www.mdpi.com/1999-4907/12/2/169/pdf |
| article xml uploaded. | 3 February 2021 06:55 CET | Update | https://www.mdpi.com/1999-4907/12/2/169/xml |
| article xml file uploaded | 3 February 2021 06:55 CET | Original file | - |
| article pdf uploaded. | 1 February 2021 15:00 CET | Version of Record | https://www.mdpi.com/1999-4907/12/2/169/pdf-vor |
