| article html file updated | 1 September 2025 16:49 CEST | Update | https://www.mdpi.com/1996-1073/14/1/39 |
| article html file updated | 23 July 2022 06:50 CEST | Update | - |
| article html file updated | 26 December 2020 09:59 CET | Update | - |
| article html file updated | 25 December 2020 10:40 CET | Original file | - |
| article pdf uploaded. | 25 December 2020 10:38 CET | Updated version of record | https://www.mdpi.com/1996-1073/14/1/39/pdf |
| article xml uploaded. | 25 December 2020 10:38 CET | Update | https://www.mdpi.com/1996-1073/14/1/39/xml |
| article xml file uploaded | 25 December 2020 10:38 CET | Original file | - |
| article pdf uploaded. | 23 December 2020 14:57 CET | Version of Record | https://www.mdpi.com/1996-1073/14/1/39/pdf-vor |
