| article html file updated | 14 February 2020 00:03 CET | Update | https://www.mdpi.com/1424-8220/19/20/4408 |
| article html file updated | 30 October 2019 22:35 CET | Update | - |
| article html file updated | 14 October 2019 11:40 CEST | Original file | - |
| article pdf uploaded. | 14 October 2019 11:38 CEST | Updated version of record | https://www.mdpi.com/1424-8220/19/20/4408/pdf |
| article xml uploaded. | 14 October 2019 11:38 CEST | Update | https://www.mdpi.com/1424-8220/19/20/4408/xml |
| article xml file uploaded | 14 October 2019 11:38 CEST | Update | - |
| article pdf uploaded. | 11 October 2019 15:17 CEST | Version of Record | https://www.mdpi.com/1424-8220/19/20/4408/pdf-vor |
| article xml file uploaded | 11 October 2019 15:17 CEST | Original file | - |
