| article html file updated | 14 February 2020 02:29 CET | Update | https://www.mdpi.com/1424-8220/19/20/4559 |
| article html file updated | 31 October 2019 02:07 CET | Update | - |
| article html file updated | 22 October 2019 05:49 CEST | Original file | - |
| article pdf uploaded. | 22 October 2019 05:48 CEST | Updated version of record | https://www.mdpi.com/1424-8220/19/20/4559/pdf |
| article xml uploaded. | 22 October 2019 05:48 CEST | Update | https://www.mdpi.com/1424-8220/19/20/4559/xml |
| article xml file uploaded | 22 October 2019 05:48 CEST | Update | - |
| article pdf uploaded. | 20 October 2019 11:17 CEST | Version of Record | https://www.mdpi.com/1424-8220/19/20/4559/pdf-vor |
| article xml file uploaded | 20 October 2019 11:17 CEST | Original file | - |
