| article html file updated | 20 July 2021 08:48 CEST | Original file | https://www.mdpi.com/2077-1444/12/7/554 |
| article pdf uploaded. | 20 July 2021 08:47 CEST | Version of Record | https://www.mdpi.com/2077-1444/12/7/554/pdf |
| article xml uploaded. | 20 July 2021 08:47 CEST | Update | https://www.mdpi.com/2077-1444/12/7/554/xml |
| article xml file uploaded | 20 July 2021 08:47 CEST | Original file | - |
