| article html file updated | 7 September 2025 00:05 CEST | Update | https://www.mdpi.com/2227-9067/8/9/768 |
| article html file updated | 30 July 2022 03:46 CEST | Update | N/A |
| article html file updated | 24 September 2021 10:43 CEST | Update | N/A |
| article pdf uploaded. | 24 September 2021 10:42 CEST | Updated version of record | https://www.mdpi.com/2227-9067/8/9/768/pdf |
| article xml uploaded. | 24 September 2021 10:42 CEST | Update | https://www.mdpi.com/2227-9067/8/9/768/xml |
| article xml file uploaded | 24 September 2021 10:42 CEST | Update | N/A |
| article html file updated | 2 September 2021 05:27 CEST | Original file | N/A |
| article pdf uploaded. | 2 September 2021 05:26 CEST | Updated version of record | https://www.mdpi.com/2227-9067/8/9/768/pdf-vor |
| article xml uploaded. | 2 September 2021 05:26 CEST | Update | N/A |
| article xml file uploaded | 2 September 2021 05:25 CEST | Original file | N/A |
| article pdf uploaded. | 31 August 2021 17:24 CEST | Version of Record | https://www.mdpi.com/2227-9067/8/9/768/pdf-vor |
