| article html file updated | 10 February 2021 13:49 CET | Original file | https://www.mdpi.com/2073-4360/13/4/522 |
| article pdf uploaded. | 10 February 2021 13:48 CET | Version of Record | https://www.mdpi.com/2073-4360/13/4/522/pdf |
| article xml uploaded. | 10 February 2021 13:48 CET | Update | https://www.mdpi.com/2073-4360/13/4/522/xml |
| article xml file uploaded | 10 February 2021 13:48 CET | Original file | - |
