| article html file updated | 1 April 2020 19:17 CEST | Update | https://www.mdpi.com/1424-8220/20/6/1711 |
| article html file updated | 27 March 2020 13:49 CET | Original file | - |
| article pdf uploaded. | 27 March 2020 13:48 CET | Updated version of record | https://www.mdpi.com/1424-8220/20/6/1711/pdf |
| article xml uploaded. | 27 March 2020 13:48 CET | Update | https://www.mdpi.com/1424-8220/20/6/1711/xml |
| article xml file uploaded | 27 March 2020 13:48 CET | Update | - |
| article pdf uploaded. | 19 March 2020 11:44 CET | Version of Record | https://www.mdpi.com/1424-8220/20/6/1711/pdf-vor |
| article xml file uploaded | 19 March 2020 11:44 CET | Original file | - |
