| article html file updated | 12 February 2020 09:05 CET | Update | https://www.mdpi.com/2412-3811/4/2/19 |
| article html file updated | 19 October 2019 08:09 CEST | Update | - |
| article html file updated | 21 May 2019 15:16 CEST | Original file | - |
| article pdf uploaded. | 21 May 2019 15:15 CEST | Updated version of record | https://www.mdpi.com/2412-3811/4/2/19/pdf |
| article xml uploaded. | 21 May 2019 15:15 CEST | Update | https://www.mdpi.com/2412-3811/4/2/19/xml |
| article xml file uploaded | 21 May 2019 15:14 CEST | Update | - |
| article pdf uploaded. | 30 April 2019 16:33 CEST | Version of Record | https://www.mdpi.com/2412-3811/4/2/19/pdf-vor |
| article xml file uploaded | 30 April 2019 16:33 CEST | Original file | - |
