| article html file updated | 23 October 2025 09:23 CEST | Update | https://www.mdpi.com/2072-6694/12/9/2521 |
| article html file updated | 1 September 2025 07:37 CEST | Update | - |
| article html file updated | 22 July 2022 06:05 CEST | Update | - |
| article html file updated | 7 October 2020 16:12 CEST | Update | - |
| article html file updated | 8 September 2020 05:31 CEST | Original file | - |
| article pdf uploaded. | 8 September 2020 05:29 CEST | Updated version of record | https://www.mdpi.com/2072-6694/12/9/2521/pdf |
| article xml uploaded. | 8 September 2020 05:29 CEST | Update | https://www.mdpi.com/2072-6694/12/9/2521/xml |
| article xml file uploaded | 8 September 2020 05:29 CEST | Original file | - |
| article pdf uploaded. | 4 September 2020 17:05 CEST | Updated version of record | https://www.mdpi.com/2072-6694/12/9/2521/pdf-vor |
| article pdf uploaded. | 4 September 2020 17:05 CEST | Version of Record | https://www.mdpi.com/2072-6694/12/9/2521/pdf-vor |
