| article html file updated | 22 April 2021 03:55 CEST | Update | https://www.mdpi.com/2077-1444/12/4/280 |
| article pdf uploaded. | 22 April 2021 03:54 CEST | Updated version of record | https://www.mdpi.com/2077-1444/12/4/280/pdf |
| article xml uploaded. | 22 April 2021 03:54 CEST | Update | https://www.mdpi.com/2077-1444/12/4/280/xml |
| article xml file uploaded | 22 April 2021 03:54 CEST | Update | - |
| article html file updated | 19 April 2021 10:33 CEST | Original file | - |
| article pdf uploaded. | 19 April 2021 10:32 CEST | Version of Record | https://www.mdpi.com/2077-1444/12/4/280/pdf-vor |
| article xml file uploaded | 19 April 2021 10:32 CEST | Original file | - |
