| article html file updated | 12 February 2020 07:25 CET | Update | https://www.mdpi.com/2412-3811/4/2/18 |
| article html file updated | 18 October 2019 21:50 CEST | Update | - |
| article html file updated | 13 May 2019 10:18 CEST | Original file | - |
| article pdf uploaded. | 13 May 2019 10:17 CEST | Updated version of record | https://www.mdpi.com/2412-3811/4/2/18/pdf |
| article xml uploaded. | 13 May 2019 10:17 CEST | Update | https://www.mdpi.com/2412-3811/4/2/18/xml |
| article xml file uploaded | 13 May 2019 10:17 CEST | Update | - |
| article pdf uploaded. | 24 April 2019 11:06 CEST | Version of Record | https://www.mdpi.com/2412-3811/4/2/18/pdf-vor |
| article xml file uploaded | 24 April 2019 11:06 CEST | Original file | - |
