| article html file updated | 7 September 2025 09:29 CEST | Update | https://www.mdpi.com/2218-1997/7/12/508 |
| article html file updated | 30 July 2022 23:29 CEST | Update | - |
| article html file updated | 21 December 2021 06:54 CET | Original file | - |
| article pdf uploaded. | 21 December 2021 06:53 CET | Updated version of record | https://www.mdpi.com/2218-1997/7/12/508/pdf |
| article xml uploaded. | 21 December 2021 06:53 CET | Update | https://www.mdpi.com/2218-1997/7/12/508/xml |
| article xml file uploaded | 21 December 2021 06:53 CET | Original file | - |
| article pdf uploaded. | 20 December 2021 16:36 CET | Version of Record | https://www.mdpi.com/2218-1997/7/12/508/pdf-vor |
