| article html file updated | 17 August 2026 08:41 CEST | Update | https://www.mdpi.com/1660-3397/18/4/209 |
| article html file updated | 31 August 2025 17:13 CEST | Update | N/A |
| article html file updated | 21 July 2022 01:41 CEST | Update | N/A |
| article html file updated | 12 April 2020 14:44 CEST | Original file | N/A |
| article pdf uploaded. | 12 April 2020 14:43 CEST | Version of Record | https://www.mdpi.com/1660-3397/18/4/209/pdf |
| article xml uploaded. | 12 April 2020 14:43 CEST | Update | https://www.mdpi.com/1660-3397/18/4/209/xml |
| article xml file uploaded | 12 April 2020 14:43 CEST | Original file | N/A |
