| article html file updated | 1 September 2025 12:23 CEST | Update | https://www.mdpi.com/2076-0787/9/4/131 |
| article html file updated | 22 July 2022 23:16 CEST | Update | - |
| article html file updated | 30 November 2020 17:26 CET | Update | - |
| article pdf uploaded. | 30 November 2020 17:25 CET | Updated version of record | https://www.mdpi.com/2076-0787/9/4/131/pdf |
| article xml uploaded. | 30 November 2020 17:25 CET | Update | https://www.mdpi.com/2076-0787/9/4/131/xml |
| article xml file uploaded | 30 November 2020 17:25 CET | Update | - |
| article html file updated | 3 November 2020 14:24 CET | Update | - |
| article pdf uploaded. | 3 November 2020 14:23 CET | Updated version of record | https://www.mdpi.com/2076-0787/9/4/131/pdf-vor |
| article xml uploaded. | 3 November 2020 14:23 CET | Update | - |
| article xml file uploaded | 3 November 2020 14:23 CET | Update | - |
| article html file updated | 30 October 2020 14:50 CET | Original file | - |
| article pdf uploaded. | 30 October 2020 14:49 CET | Version of Record | https://www.mdpi.com/2076-0787/9/4/131/pdf-vor |
| article xml uploaded. | 30 October 2020 14:49 CET | Update | - |
| article xml file uploaded | 30 October 2020 14:49 CET | Original file | - |
