| article html file updated | 2 September 2025 02:25 CEST | Update | https://www.mdpi.com/2227-9067/8/4/270 |
| article html file updated | 25 July 2022 10:18 CEST | Update | N/A |
| article html file updated | 3 August 2021 22:43 CEST | Update | N/A |
| article html file updated | 10 April 2021 21:19 CEST | Update | N/A |
| article html file updated | 1 April 2021 10:57 CEST | Original file | N/A |
| article pdf uploaded. | 1 April 2021 10:56 CEST | Version of Record | https://www.mdpi.com/2227-9067/8/4/270/pdf |
| article xml uploaded. | 1 April 2021 10:56 CEST | Update | https://www.mdpi.com/2227-9067/8/4/270/xml |
| article xml file uploaded | 1 April 2021 10:56 CEST | Original file | N/A |
