| article html file updated | 25 December 2025 06:45 CET | Update | https://www.mdpi.com/2218-273X/11/4/491 |
| article html file updated | 2 September 2025 01:40 CEST | Update | - |
| article html file updated | 25 July 2022 09:10 CEST | Update | - |
| article html file updated | 3 August 2021 02:21 CEST | Update | - |
| article html file updated | 25 March 2021 07:59 CET | Original file | - |
| article pdf uploaded. | 25 March 2021 07:58 CET | Version of Record | https://www.mdpi.com/2218-273X/11/4/491/pdf |
| article xml uploaded. | 25 March 2021 07:58 CET | Update | https://www.mdpi.com/2218-273X/11/4/491/xml |
| article xml file uploaded | 25 March 2021 07:58 CET | Original file | - |
