| article html file updated | 1 September 2025 04:18 CEST | Update | https://www.mdpi.com/2673-3846/1/2/6 |
| article html file updated | 22 July 2022 01:43 CEST | Update | - |
| article html file updated | 30 July 2020 05:32 CEST | Original file | - |
| article pdf uploaded. | 30 July 2020 05:30 CEST | Updated version of record | https://www.mdpi.com/2673-3846/1/2/6/pdf |
| article xml uploaded. | 30 July 2020 05:30 CEST | Update | https://www.mdpi.com/2673-3846/1/2/6/xml |
| article xml file uploaded | 30 July 2020 05:30 CEST | Original file | - |
| article pdf uploaded. | 29 July 2020 12:51 CEST | Updated version of record | https://www.mdpi.com/2673-3846/1/2/6/pdf-vor |
| article pdf uploaded. | 29 July 2020 12:50 CEST | Version of Record | https://www.mdpi.com/2673-3846/1/2/6/pdf-vor |
