| article html file updated | 24 October 2020 11:41 CEST | Original file | https://www.mdpi.com/2071-1050/12/21/8840 |
| article pdf uploaded. | 24 October 2020 11:39 CEST | Version of Record | https://www.mdpi.com/2071-1050/12/21/8840/pdf |
| article xml uploaded. | 24 October 2020 11:39 CEST | Update | https://www.mdpi.com/2071-1050/12/21/8840/xml |
| article xml file uploaded | 24 October 2020 11:39 CEST | Original file | N/A |
