| article html file updated | 14 February 2020 06:50 CET | Update | https://www.mdpi.com/2411-9660/3/4/50 |
| article html file updated | 5 November 2019 09:10 CET | Original file | - |
| article pdf uploaded. | 5 November 2019 09:09 CET | Version of Record | https://www.mdpi.com/2411-9660/3/4/50/pdf |
| article xml uploaded. | 5 November 2019 09:09 CET | Update | https://www.mdpi.com/2411-9660/3/4/50/xml |
| article xml file uploaded | 5 November 2019 09:09 CET | Original file | - |
