| article html file updated | 19 October 2020 11:55 CEST | Original file | https://www.mdpi.com/2076-0787/9/4/122 |
| article pdf uploaded. | 19 October 2020 11:54 CEST | Version of Record | https://www.mdpi.com/2076-0787/9/4/122/pdf |
| article xml uploaded. | 19 October 2020 11:54 CEST | Update | https://www.mdpi.com/2076-0787/9/4/122/xml |
| article xml file uploaded | 19 October 2020 11:54 CEST | Original file | - |
