| article html file updated | 1 September 2025 22:22 CEST | Update | https://www.mdpi.com/2227-7390/9/4/426 |
| article html file updated | 25 July 2022 04:26 CEST | Update | N/A |
| article html file updated | 24 February 2021 10:19 CET | Update | N/A |
| article html file updated | 23 February 2021 10:30 CET | Original file | N/A |
| article pdf uploaded. | 23 February 2021 10:28 CET | Updated version of record | https://www.mdpi.com/2227-7390/9/4/426/pdf |
| article xml uploaded. | 23 February 2021 10:28 CET | Update | https://www.mdpi.com/2227-7390/9/4/426/xml |
| article xml file uploaded | 23 February 2021 10:28 CET | Original file | N/A |
| article pdf uploaded. | 21 February 2021 13:15 CET | Version of Record | https://www.mdpi.com/2227-7390/9/4/426/pdf-vor |
