| article html file updated | 2 September 2025 01:45 CEST | Update | https://www.mdpi.com/2076-3271/9/2/20 |
| article html file updated | 25 July 2022 09:17 CEST | Update | - |
| article html file updated | 3 August 2021 04:25 CEST | Update | - |
| article html file updated | 25 March 2021 14:45 CET | Original file | - |
| article pdf uploaded. | 25 March 2021 14:44 CET | Version of Record | https://www.mdpi.com/2076-3271/9/2/20/pdf |
| article xml uploaded. | 25 March 2021 14:44 CET | Update | https://www.mdpi.com/2076-3271/9/2/20/xml |
| article xml file uploaded | 25 March 2021 14:44 CET | Original file | - |
