| article html file updated | 28 July 2020 07:24 CEST | Original file | https://www.mdpi.com/2411-9660/4/3/24 |
| article pdf uploaded. | 28 July 2020 07:23 CEST | Version of Record | https://www.mdpi.com/2411-9660/4/3/24/pdf |
| article xml uploaded. | 28 July 2020 07:23 CEST | Update | https://www.mdpi.com/2411-9660/4/3/24/xml |
| article xml file uploaded | 28 July 2020 07:23 CEST | Original file | N/A |
