| article html file updated | 25 December 2025 22:19 CET | Update | https://www.mdpi.com/2218-1997/7/9/320 |
| article html file updated | 6 September 2025 23:56 CEST | Update | N/A |
| article html file updated | 30 July 2022 03:23 CEST | Update | N/A |
| article html file updated | 3 September 2021 16:24 CEST | Original file | N/A |
| article pdf uploaded. | 3 September 2021 16:22 CEST | Updated version of record | https://www.mdpi.com/2218-1997/7/9/320/pdf |
| article xml uploaded. | 3 September 2021 16:22 CEST | Update | https://www.mdpi.com/2218-1997/7/9/320/xml |
| article xml file uploaded | 3 September 2021 16:22 CEST | Original file | N/A |
| article pdf uploaded. | 30 August 2021 11:57 CEST | Version of Record | https://www.mdpi.com/2218-1997/7/9/320/pdf-vor |
