| article html file updated | 2 September 2025 04:28 CEST | Update | https://www.mdpi.com/2227-9067/8/4/312 |
| article html file updated | 25 July 2022 13:03 CEST | Update | - |
| article html file updated | 21 April 2021 03:04 CEST | Update | - |
| article pdf uploaded. | 21 April 2021 03:02 CEST | Updated version of record | https://www.mdpi.com/2227-9067/8/4/312/pdf |
| article xml uploaded. | 21 April 2021 03:02 CEST | Update | https://www.mdpi.com/2227-9067/8/4/312/xml |
| article xml file uploaded | 21 April 2021 03:02 CEST | Update | - |
| article html file updated | 20 April 2021 13:24 CEST | Original file | - |
| article pdf uploaded. | 20 April 2021 13:23 CEST | Version of Record | https://www.mdpi.com/2227-9067/8/4/312/pdf-vor |
| article xml file uploaded | 20 April 2021 13:23 CEST | Original file | - |
