| article html file updated | 8 June 2021 10:30 CEST | Original file | https://www.mdpi.com/2077-1444/12/6/419 |
| article pdf uploaded. | 8 June 2021 10:28 CEST | Version of Record | https://www.mdpi.com/2077-1444/12/6/419/pdf |
| article xml uploaded. | 8 June 2021 10:28 CEST | Update | https://www.mdpi.com/2077-1444/12/6/419/xml |
| article xml file uploaded | 8 June 2021 10:28 CEST | Original file | N/A |
