| article html file updated | 15 February 2020 01:32 CET | Update | https://www.mdpi.com/2624-7402/2/1/4 |
| article html file updated | 30 January 2020 10:51 CET | Original file | - |
| article pdf uploaded. | 30 January 2020 10:50 CET | Updated version of record | https://www.mdpi.com/2624-7402/2/1/4/pdf |
| article xml uploaded. | 30 January 2020 10:50 CET | Update | https://www.mdpi.com/2624-7402/2/1/4/xml |
| article xml file uploaded | 30 January 2020 10:50 CET | Update | - |
| article pdf uploaded. | 9 January 2020 15:23 CET | Version of Record | https://www.mdpi.com/2624-7402/2/1/4/pdf-vor |
| article xml file uploaded | 9 January 2020 15:23 CET | Original file | - |
