| article html file updated | 25 December 2025 23:00 CET | Update | https://www.mdpi.com/2076-3921/10/9/1421 |
| article html file updated | 7 September 2025 00:22 CEST | Update | N/A |
| article html file updated | 30 July 2022 04:29 CEST | Update | N/A |
| article html file updated | 8 September 2021 06:04 CEST | Original file | N/A |
| article pdf uploaded. | 8 September 2021 06:02 CEST | Updated version of record | https://www.mdpi.com/2076-3921/10/9/1421/pdf |
| article xml uploaded. | 8 September 2021 06:02 CEST | Update | https://www.mdpi.com/2076-3921/10/9/1421/xml |
| article xml file uploaded | 8 September 2021 06:02 CEST | Original file | N/A |
| article pdf uploaded. | 6 September 2021 12:23 CEST | Version of Record | https://www.mdpi.com/2076-3921/10/9/1421/pdf-vor |
