| article html file updated | 31 August 2025 16:47 CEST | Update | https://www.mdpi.com/2223-7747/9/4/471 |
| article html file updated | 21 July 2022 01:16 CEST | Update | - |
| article html file updated | 9 May 2020 04:29 CEST | Update | - |
| article html file updated | 8 April 2020 12:24 CEST | Original file | - |
| article pdf uploaded. | 8 April 2020 12:23 CEST | Version of Record | https://www.mdpi.com/2223-7747/9/4/471/pdf |
| article xml uploaded. | 8 April 2020 12:23 CEST | Update | https://www.mdpi.com/2223-7747/9/4/471/xml |
| article xml file uploaded | 8 April 2020 12:23 CEST | Original file | - |
