| article html file updated | 7 September 2025 04:40 CEST | Update | https://www.mdpi.com/2199-8531/7/4/227 |
| article html file updated | 30 July 2022 15:34 CEST | Update | - |
| article html file updated | 29 November 2021 14:36 CET | Update | - |
| article pdf uploaded. | 29 November 2021 14:34 CET | Updated version of record | https://www.mdpi.com/2199-8531/7/4/227/pdf |
| article xml uploaded. | 29 November 2021 14:34 CET | Update | https://www.mdpi.com/2199-8531/7/4/227/xml |
| article xml file uploaded | 29 November 2021 14:34 CET | Update | - |
| article html file updated | 9 November 2021 02:15 CET | Original file | - |
| article pdf uploaded. | 9 November 2021 02:14 CET | Version of Record | https://www.mdpi.com/2199-8531/7/4/227/pdf-vor |
| article xml uploaded. | 9 November 2021 02:14 CET | Update | - |
| article xml file uploaded | 9 November 2021 02:14 CET | Original file | - |
