| article html file updated | 7 September 2025 07:36 CEST | Update | https://www.mdpi.com/2218-1997/7/12/481 |
| article html file updated | 30 July 2022 20:53 CEST | Update | - |
| article html file updated | 8 December 2021 09:03 CET | Update | - |
| article pdf uploaded. | 8 December 2021 09:02 CET | Updated version of record | https://www.mdpi.com/2218-1997/7/12/481/pdf |
| article xml uploaded. | 8 December 2021 09:02 CET | Update | https://www.mdpi.com/2218-1997/7/12/481/xml |
| article xml file uploaded | 8 December 2021 09:02 CET | Update | - |
| article html file updated | 7 December 2021 11:12 CET | Original file | - |
| article pdf uploaded. | 7 December 2021 11:10 CET | Version of Record | https://www.mdpi.com/2218-1997/7/12/481/pdf-vor |
| article xml uploaded. | 7 December 2021 11:10 CET | Update | - |
| article xml file uploaded | 7 December 2021 11:10 CET | Original file | - |
