| article html file updated | 31 August 2025 15:42 CEST | Update | https://www.mdpi.com/2075-4450/11/4/209 |
| article html file updated | 21 July 2022 00:11 CEST | Update | - |
| article html file updated | 3 April 2020 03:55 CEST | Update | - |
| article pdf uploaded. | 3 April 2020 03:54 CEST | Updated version of record | https://www.mdpi.com/2075-4450/11/4/209/pdf |
| article xml uploaded. | 3 April 2020 03:54 CEST | Update | https://www.mdpi.com/2075-4450/11/4/209/xml |
| article xml file uploaded | 3 April 2020 03:54 CEST | Update | - |
| article html file updated | 31 March 2020 16:42 CEST | Original file | - |
| article pdf uploaded. | 31 March 2020 16:41 CEST | Updated version of record | https://www.mdpi.com/2075-4450/11/4/209/pdf-vor |
| article xml file uploaded | 31 March 2020 16:41 CEST | Update | - |
| article pdf uploaded. | 27 March 2020 14:15 CET | Version of Record | https://www.mdpi.com/2075-4450/11/4/209/pdf-vor |
| article xml file uploaded | 27 March 2020 14:15 CET | Original file | - |
