| article html file updated | 7 September 2025 03:50 CEST | Update | https://www.mdpi.com/2226-4787/9/4/176 |
| article html file updated | 30 July 2022 13:28 CEST | Update | N/A |
| article html file updated | 1 November 2021 05:40 CET | Update | N/A |
| article pdf uploaded. | 1 November 2021 05:38 CET | Updated version of record | https://www.mdpi.com/2226-4787/9/4/176/pdf |
| article xml uploaded. | 1 November 2021 05:38 CET | Update | https://www.mdpi.com/2226-4787/9/4/176/xml |
| article xml file uploaded | 1 November 2021 05:38 CET | Update | N/A |
| article html file updated | 28 October 2021 06:21 CEST | Original file | N/A |
| article pdf uploaded. | 28 October 2021 06:19 CEST | Version of Record | https://www.mdpi.com/2226-4787/9/4/176/pdf-vor |
| article xml uploaded. | 28 October 2021 06:19 CEST | Update | N/A |
| article xml file uploaded | 28 October 2021 06:19 CEST | Original file | N/A |
