| article html file updated | 21 July 2021 10:14 CEST | Original file | https://www.mdpi.com/2077-1444/12/8/557 |
| article pdf uploaded. | 21 July 2021 10:12 CEST | Version of Record | https://www.mdpi.com/2077-1444/12/8/557/pdf |
| article xml uploaded. | 21 July 2021 10:12 CEST | Update | https://www.mdpi.com/2077-1444/12/8/557/xml |
| article xml file uploaded | 21 July 2021 10:12 CEST | Original file | - |
