| article html file updated | 19 August 2026 18:59 CEST | Update | https://www.mdpi.com/2218-1989/11/6/408 |
| article html file updated | 6 September 2025 19:33 CEST | Update | N/A |
| article html file updated | 27 July 2022 01:16 CEST | Update | N/A |
| article html file updated | 22 June 2021 10:24 CEST | Original file | N/A |
| article pdf uploaded. | 22 June 2021 10:23 CEST | Updated version of record | https://www.mdpi.com/2218-1989/11/6/408/pdf |
| article xml uploaded. | 22 June 2021 10:23 CEST | Update | https://www.mdpi.com/2218-1989/11/6/408/xml |
| article xml file uploaded | 22 June 2021 10:23 CEST | Original file | N/A |
| article pdf uploaded. | 21 June 2021 17:39 CEST | Version of Record | https://www.mdpi.com/2218-1989/11/6/408/pdf-vor |