| article html file updated | 27 August 2021 10:21 CEST | Original file | https://www.mdpi.com/2077-1444/12/9/690 |
| article pdf uploaded. | 27 August 2021 10:19 CEST | Version of Record | https://www.mdpi.com/2077-1444/12/9/690/pdf |
| article xml uploaded. | 27 August 2021 10:19 CEST | Update | https://www.mdpi.com/2077-1444/12/9/690/xml |
| article xml file uploaded | 27 August 2021 10:19 CEST | Original file | - |
