| article html file updated | 7 September 2025 07:03 CEST | Update | https://www.mdpi.com/2218-2004/9/4/106 |
| article html file updated | 30 July 2022 20:03 CEST | Update | N/A |
| article html file updated | 2 December 2021 08:33 CET | Update | N/A |
| article html file updated | 2 December 2021 08:33 CET | Update | N/A |
| article pdf uploaded. | 2 December 2021 08:31 CET | Updated version of record | https://www.mdpi.com/2218-2004/9/4/106/pdf |
| article xml uploaded. | 2 December 2021 08:31 CET | Update | https://www.mdpi.com/2218-2004/9/4/106/xml |
| article xml file uploaded | 2 December 2021 08:31 CET | Update | N/A |
| article html file updated | 2 December 2021 08:19 CET | Update | N/A |
| article html file updated | 2 December 2021 08:18 CET | Original file | N/A |
| article pdf uploaded. | 2 December 2021 08:17 CET | Updated version of record | N/A |
| article xml uploaded. | 2 December 2021 08:17 CET | Update | N/A |
| article xml file uploaded | 2 December 2021 08:17 CET | Update | N/A |
| article pdf uploaded. | 2 December 2021 08:17 CET | Version of Record | N/A |
| article xml uploaded. | 2 December 2021 08:17 CET | Update | N/A |
| article xml file uploaded | 2 December 2021 08:17 CET | Original file | N/A |