| article html file updated | 12 February 2020 09:34 CET | Update | https://www.mdpi.com/2412-3811/4/2/20 |
| article html file updated | 19 October 2019 11:00 CEST | Update | - |
| article html file updated | 28 May 2019 12:59 CEST | Original file | - |
| article pdf uploaded. | 28 May 2019 12:58 CEST | Updated version of record | https://www.mdpi.com/2412-3811/4/2/20/pdf |
| article xml uploaded. | 28 May 2019 12:58 CEST | Update | https://www.mdpi.com/2412-3811/4/2/20/xml |
| article xml file uploaded | 28 May 2019 12:58 CEST | Update | - |
| article pdf uploaded. | 2 May 2019 12:16 CEST | Version of Record | https://www.mdpi.com/2412-3811/4/2/20/pdf-vor |
| article xml file uploaded | 2 May 2019 12:16 CEST | Original file | - |
