| article html file updated | 2 September 2025 04:57 CEST | Update | https://www.mdpi.com/1996-1073/14/9/2421 |
| article html file updated | 26 July 2022 16:35 CEST | Update | N/A |
| article html file updated | 26 April 2021 10:02 CEST | Update | N/A |
| article html file updated | 26 April 2021 05:51 CEST | Original file | N/A |
| article pdf uploaded. | 26 April 2021 05:50 CEST | Updated version of record | https://www.mdpi.com/1996-1073/14/9/2421/pdf |
| article xml uploaded. | 26 April 2021 05:50 CEST | Update | https://www.mdpi.com/1996-1073/14/9/2421/xml |
| article xml file uploaded | 26 April 2021 05:50 CEST | Original file | N/A |
| article pdf uploaded. | 23 April 2021 15:56 CEST | Version of Record | https://www.mdpi.com/1996-1073/14/9/2421/pdf-vor |
