| article html file updated | 2 September 2020 12:12 CEST | Original file | https://www.mdpi.com/2073-4360/12/9/1998 |
| article pdf uploaded. | 2 September 2020 12:11 CEST | Version of Record | https://www.mdpi.com/2073-4360/12/9/1998/pdf |
| article xml uploaded. | 2 September 2020 12:11 CEST | Update | https://www.mdpi.com/2073-4360/12/9/1998/xml |
| article xml file uploaded | 2 September 2020 12:11 CEST | Original file | - |
