| article html file updated | 16 July 2020 14:16 CEST | Original file | https://www.mdpi.com/2076-0787/9/3/64 |
| article pdf uploaded. | 16 July 2020 14:15 CEST | Version of Record | https://www.mdpi.com/2076-0787/9/3/64/pdf |
| article xml uploaded. | 16 July 2020 14:15 CEST | Update | https://www.mdpi.com/2076-0787/9/3/64/xml |
| article xml file uploaded | 16 July 2020 14:15 CEST | Original file | N/A |
