| article html file updated | 7 September 2025 00:10 CEST | Update | https://www.mdpi.com/2227-9067/8/9/774 |
| article html file updated | 30 July 2022 03:59 CEST | Update | N/A |
| article html file updated | 7 September 2021 04:00 CEST | Update | N/A |
| article pdf uploaded. | 7 September 2021 03:59 CEST | Updated version of record | https://www.mdpi.com/2227-9067/8/9/774/pdf |
| article xml uploaded. | 7 September 2021 03:59 CEST | Update | https://www.mdpi.com/2227-9067/8/9/774/xml |
| article xml file uploaded | 7 September 2021 03:59 CEST | Update | N/A |
| article html file updated | 2 September 2021 12:48 CEST | Original file | N/A |
| article pdf uploaded. | 2 September 2021 12:47 CEST | Version of Record | https://www.mdpi.com/2227-9067/8/9/774/pdf-vor |
| article xml uploaded. | 2 September 2021 12:47 CEST | Update | N/A |
| article xml file uploaded | 2 September 2021 12:47 CEST | Original file | N/A |
