| article html file updated | 21 June 2021 03:40 CEST | Update | https://www.mdpi.com/2077-1312/9/6/676 |
| article pdf uploaded. | 21 June 2021 03:39 CEST | Updated version of record | https://www.mdpi.com/2077-1312/9/6/676/pdf |
| article xml uploaded. | 21 June 2021 03:39 CEST | Update | https://www.mdpi.com/2077-1312/9/6/676/xml |
| article xml file uploaded | 21 June 2021 03:39 CEST | Update | - |
| article html file updated | 19 June 2021 12:24 CEST | Original file | - |
| article pdf uploaded. | 19 June 2021 12:22 CEST | Version of Record | https://www.mdpi.com/2077-1312/9/6/676/pdf-vor |
| article xml file uploaded | 19 June 2021 12:22 CEST | Original file | - |
