| article html file updated | 15 February 2020 01:30 CET | Update | https://www.mdpi.com/2571-6131/3/1/2 |
| article html file updated | 13 February 2020 10:37 CET | Original file | - |
| article pdf uploaded. | 13 February 2020 10:36 CET | Updated version of record | https://www.mdpi.com/2571-6131/3/1/2/pdf |
| article xml uploaded. | 13 February 2020 10:36 CET | Update | https://www.mdpi.com/2571-6131/3/1/2/xml |
| article xml file uploaded | 13 February 2020 10:36 CET | Update | - |
| article pdf uploaded. | 9 January 2020 13:34 CET | Version of Record | https://www.mdpi.com/2571-6131/3/1/2/pdf-vor |
| article xml file uploaded | 9 January 2020 13:34 CET | Original file | - |
