| article html file updated | 14 February 2020 18:23 CET | Update | https://www.mdpi.com/2571-6131/2/4/48 |
| article html file updated | 13 December 2019 09:12 CET | Original file | N/A |
| article pdf uploaded. | 13 December 2019 09:11 CET | Version of Record | https://www.mdpi.com/2571-6131/2/4/48/pdf |
| article xml uploaded. | 13 December 2019 09:11 CET | Update | https://www.mdpi.com/2571-6131/2/4/48/xml |
| article xml file uploaded | 13 December 2019 09:11 CET | Original file | N/A |
