| article html file updated | 2 September 2025 02:00 CEST | Update | https://www.mdpi.com/2218-273X/11/4/506 |
| article html file updated | 22 August 2025 00:47 CEST | Update | - |
| article html file updated | 25 July 2022 09:39 CEST | Update | - |
| article html file updated | 3 August 2021 11:31 CEST | Update | - |
| article html file updated | 10 April 2021 06:24 CEST | Update | - |
| article html file updated | 28 March 2021 15:23 CEST | Original file | - |
| article pdf uploaded. | 28 March 2021 15:22 CEST | Version of Record | https://www.mdpi.com/2218-273X/11/4/506/pdf |
| article xml uploaded. | 28 March 2021 15:22 CEST | Update | https://www.mdpi.com/2218-273X/11/4/506/xml |
| article xml file uploaded | 28 March 2021 15:22 CEST | Original file | - |
