| article html file updated | 2 September 2025 03:54 CEST | Update | https://www.mdpi.com/2227-9067/8/4/302 |
| article html file updated | 25 July 2022 12:20 CEST | Update | - |
| article html file updated | 22 April 2021 03:48 CEST | Update | - |
| article pdf uploaded. | 22 April 2021 03:46 CEST | Updated version of record | https://www.mdpi.com/2227-9067/8/4/302/pdf |
| article xml uploaded. | 22 April 2021 03:46 CEST | Update | https://www.mdpi.com/2227-9067/8/4/302/xml |
| article xml file uploaded | 22 April 2021 03:46 CEST | Update | - |
| article html file updated | 15 April 2021 12:46 CEST | Original file | - |
| article pdf uploaded. | 15 April 2021 12:44 CEST | Version of Record | https://www.mdpi.com/2227-9067/8/4/302/pdf-vor |
| article xml file uploaded | 15 April 2021 12:44 CEST | Original file | - |
