| article html file updated | 7 September 2025 09:27 CEST | Update | https://www.mdpi.com/2218-1997/7/12/507 |
| article html file updated | 30 July 2022 23:27 CEST | Update | - |
| article html file updated | 23 December 2021 03:34 CET | Original file | - |
| article pdf uploaded. | 23 December 2021 03:32 CET | Updated version of record | https://www.mdpi.com/2218-1997/7/12/507/pdf |
| article xml uploaded. | 23 December 2021 03:32 CET | Update | https://www.mdpi.com/2218-1997/7/12/507/xml |
| article xml file uploaded | 23 December 2021 03:32 CET | Original file | - |
| article pdf uploaded. | 20 December 2021 15:31 CET | Version of Record | https://www.mdpi.com/2218-1997/7/12/507/pdf-vor |
