| article html file updated | 2 September 2025 10:34 CEST | Update | https://www.mdpi.com/2227-7072/9/2/31 |
| article html file updated | 26 July 2022 23:43 CEST | Update | - |
| article html file updated | 10 June 2021 12:28 CEST | Original file | - |
| article pdf uploaded. | 10 June 2021 12:26 CEST | Version of Record | https://www.mdpi.com/2227-7072/9/2/31/pdf |
| article xml uploaded. | 10 June 2021 12:26 CEST | Update | https://www.mdpi.com/2227-7072/9/2/31/xml |
| article xml file uploaded | 10 June 2021 12:26 CEST | Original file | - |
