| article html file updated | 14 February 2020 10:09 CET | Update | https://www.mdpi.com/2571-905X/2/4/31 |
| article html file updated | 15 November 2019 20:30 CET | Original file | - |
| article pdf uploaded. | 15 November 2019 13:34 CET | Version of Record | https://www.mdpi.com/2571-905X/2/4/31/pdf |
| article xml uploaded. | 15 November 2019 13:34 CET | Update | https://www.mdpi.com/2571-905X/2/4/31/xml |
| article xml file uploaded | 15 November 2019 13:34 CET | Original file | - |
