| article html file updated | 7 October 2020 12:05 CEST | Update | https://www.mdpi.com/2296-3529/7/2/6 |
| article html file updated | 7 October 2020 12:04 CEST | Update | - |
| article html file updated | 8 September 2020 11:08 CEST | Original file | - |
| article pdf uploaded. | 8 September 2020 11:07 CEST | Version of Record | https://www.mdpi.com/2296-3529/7/2/6/pdf |
| article xml uploaded. | 8 September 2020 11:07 CEST | Update | https://www.mdpi.com/2296-3529/7/2/6/xml |
| article xml file uploaded | 8 September 2020 11:07 CEST | Original file | - |
