| article html file updated | 17 February 2021 11:33 CET | Original file | https://www.mdpi.com/1999-4907/12/2/232 |
| article pdf uploaded. | 17 February 2021 11:32 CET | Version of Record | https://www.mdpi.com/1999-4907/12/2/232/pdf |
| article xml uploaded. | 17 February 2021 11:32 CET | Update | https://www.mdpi.com/1999-4907/12/2/232/xml |
| article xml file uploaded | 17 February 2021 11:32 CET | Original file | - |
