| article html file updated | 1 September 2025 10:30 CEST | Update | https://www.mdpi.com/2218-1997/6/10/173 |
| article html file updated | 22 July 2022 10:14 CEST | Update | - |
| article html file updated | 20 October 2020 10:49 CEST | Original file | - |
| article pdf uploaded. | 20 October 2020 10:48 CEST | Updated version of record | https://www.mdpi.com/2218-1997/6/10/173/pdf |
| article xml uploaded. | 20 October 2020 10:48 CEST | Update | https://www.mdpi.com/2218-1997/6/10/173/xml |
| article xml file uploaded | 20 October 2020 10:48 CEST | Original file | - |
| article pdf uploaded. | 11 October 2020 09:19 CEST | Version of Record | https://www.mdpi.com/2218-1997/6/10/173/pdf-vor |
