| article html file updated | 7 September 2025 09:10 CEST | Update | https://www.mdpi.com/2218-1997/7/12/506 |
| article html file updated | 30 July 2022 23:04 CEST | Update | - |
| article html file updated | 21 December 2021 09:37 CET | Original file | - |
| article pdf uploaded. | 21 December 2021 09:35 CET | Updated version of record | https://www.mdpi.com/2218-1997/7/12/506/pdf |
| article xml uploaded. | 21 December 2021 09:35 CET | Update | https://www.mdpi.com/2218-1997/7/12/506/xml |
| article xml file uploaded | 21 December 2021 09:35 CET | Original file | - |
| article pdf uploaded. | 18 December 2021 08:44 CET | Version of Record | https://www.mdpi.com/2218-1997/7/12/506/pdf-vor |
