| article html file updated | 1 September 2025 21:31 CEST | Update | https://www.mdpi.com/1996-1073/14/4/972 |
| article html file updated | 25 July 2022 02:42 CEST | Update | - |
| article html file updated | 22 February 2021 10:07 CET | Update | - |
| article html file updated | 22 February 2021 09:35 CET | Original file | - |
| article pdf uploaded. | 22 February 2021 09:34 CET | Updated version of record | https://www.mdpi.com/1996-1073/14/4/972/pdf |
| article xml uploaded. | 22 February 2021 09:34 CET | Update | https://www.mdpi.com/1996-1073/14/4/972/xml |
| article xml file uploaded | 22 February 2021 09:34 CET | Original file | - |
| article pdf uploaded. | 12 February 2021 13:45 CET | Version of Record | https://www.mdpi.com/1996-1073/14/4/972/pdf-vor |
