| article html file updated | 12 February 2020 00:00 CET | Update | https://www.mdpi.com/1424-8220/19/6/1404 |
| article html file updated | 17 October 2019 00:25 CEST | Update | - |
| article html file updated | 25 April 2019 23:27 CEST | Update | - |
| article html file updated | 11 April 2019 18:29 CEST | Update | - |
| article html file updated | 10 April 2019 11:48 CEST | Update | - |
| article html file updated | 4 April 2019 17:53 CEST | Update | - |
| article html file updated | 27 March 2019 10:47 CET | Original file | - |
| article pdf uploaded. | 27 March 2019 10:45 CET | Updated version of record | https://www.mdpi.com/1424-8220/19/6/1404/pdf |
| article xml uploaded. | 27 March 2019 10:45 CET | Update | https://www.mdpi.com/1424-8220/19/6/1404/xml |
| article xml file uploaded | 27 March 2019 10:45 CET | Update | - |
| article pdf uploaded. | 21 March 2019 16:43 CET | Version of Record | https://www.mdpi.com/1424-8220/19/6/1404/pdf-vor |
| article xml file uploaded | 21 March 2019 16:43 CET | Original file | - |
