| article html file updated | 8 December 2020 05:09 CET | Original file | https://www.mdpi.com/2077-1312/8/12/997 |
| article pdf uploaded. | 7 December 2020 11:42 CET | Version of Record | https://www.mdpi.com/2077-1312/8/12/997/pdf |
| article xml uploaded. | 7 December 2020 11:42 CET | Update | https://www.mdpi.com/2077-1312/8/12/997/xml |
| article xml file uploaded | 7 December 2020 11:42 CET | Original file | - |
