| article html file updated | 1 September 2025 06:51 CEST | Update | https://www.mdpi.com/1660-3397/18/9/449 |
| article html file updated | 22 July 2022 05:04 CEST | Update | - |
| article html file updated | 7 October 2020 09:52 CEST | Update | - |
| article html file updated | 27 August 2020 15:26 CEST | Update | - |
| article html file updated | 27 August 2020 15:25 CEST | Original file | - |
| article pdf uploaded. | 27 August 2020 15:23 CEST | Updated version of record | https://www.mdpi.com/1660-3397/18/9/449/pdf |
| article xml uploaded. | 27 August 2020 15:23 CEST | Update | https://www.mdpi.com/1660-3397/18/9/449/xml |
| article xml file uploaded | 27 August 2020 15:23 CEST | Update | - |
| article pdf uploaded. | 27 August 2020 15:23 CEST | Version of Record | - |
| article xml uploaded. | 27 August 2020 15:23 CEST | Update | - |
| article xml file uploaded | 27 August 2020 15:23 CEST | Original file | - |
