| article html file updated | 15 February 2020 07:19 CET | Update | https://www.mdpi.com/2075-4426/10/1/6 |
| article html file updated | 3 February 2020 09:06 CET | Original file | - |
| article pdf uploaded. | 3 February 2020 09:05 CET | Version of Record | https://www.mdpi.com/2075-4426/10/1/6/pdf |
| article xml uploaded. | 3 February 2020 09:05 CET | Update | https://www.mdpi.com/2075-4426/10/1/6/xml |
| article xml file uploaded | 3 February 2020 09:05 CET | Original file | - |
