| article html file updated | 12 February 2020 11:01 CET | Update | https://www.mdpi.com/2412-3811/4/2/23 |
| article html file updated | 19 October 2019 19:23 CEST | Update | - |
| article html file updated | 9 May 2019 13:05 CEST | Original file | - |
| article pdf uploaded. | 9 May 2019 11:13 CEST | Version of Record | https://www.mdpi.com/2412-3811/4/2/23/pdf |
| article xml uploaded. | 9 May 2019 11:13 CEST | Update | https://www.mdpi.com/2412-3811/4/2/23/xml |
| article xml file uploaded | 9 May 2019 11:13 CEST | Original file | - |
