| article html file updated | 27 December 2020 09:13 CET | Original file | https://www.mdpi.com/2073-4360/13/1/73 |
| article pdf uploaded. | 27 December 2020 09:12 CET | Version of Record | https://www.mdpi.com/2073-4360/13/1/73/pdf |
| article xml uploaded. | 27 December 2020 09:12 CET | Update | https://www.mdpi.com/2073-4360/13/1/73/xml |
| article xml file uploaded | 27 December 2020 09:12 CET | Original file | N/A |
