| article html file updated | 7 September 2025 04:40 CEST | Update | https://www.mdpi.com/2379-139X/7/4/63 |
| article html file updated | 30 July 2022 15:35 CEST | Update | - |
| article html file updated | 10 November 2021 02:06 CET | Update | - |
| article pdf uploaded. | 10 November 2021 02:04 CET | Updated version of record | https://www.mdpi.com/2379-139X/7/4/63/pdf |
| article xml uploaded. | 10 November 2021 02:04 CET | Update | https://www.mdpi.com/2379-139X/7/4/63/xml |
| article xml file uploaded | 10 November 2021 02:04 CET | Update | - |
| article html file updated | 9 November 2021 06:39 CET | Update | - |
| article pdf uploaded. | 9 November 2021 06:38 CET | Updated version of record | https://www.mdpi.com/2379-139X/7/4/63/pdf-vor |
| article xml uploaded. | 9 November 2021 06:38 CET | Update | - |
| article xml file uploaded | 9 November 2021 06:38 CET | Update | - |
| article html file updated | 9 November 2021 02:39 CET | Original file | - |
| article pdf uploaded. | 9 November 2021 02:38 CET | Version of Record | https://www.mdpi.com/2379-139X/7/4/63/pdf-vor |
| article xml uploaded. | 9 November 2021 02:38 CET | Update | - |
| article xml file uploaded | 9 November 2021 02:38 CET | Original file | - |
