| article html file updated | 14 February 2020 00:49 CET | Update | https://www.mdpi.com/1424-8220/19/20/4455 |
| article html file updated | 31 October 2019 00:02 CET | Update | N/A |
| article html file updated | 23 October 2019 08:25 CEST | Original file | N/A |
| article pdf uploaded. | 23 October 2019 08:23 CEST | Updated version of record | https://www.mdpi.com/1424-8220/19/20/4455/pdf |
| article xml uploaded. | 23 October 2019 08:23 CEST | Update | https://www.mdpi.com/1424-8220/19/20/4455/xml |
| article xml file uploaded | 23 October 2019 08:23 CEST | Update | N/A |
| article pdf uploaded. | 14 October 2019 17:05 CEST | Version of Record | https://www.mdpi.com/1424-8220/19/20/4455/pdf-vor |
| article xml file uploaded | 14 October 2019 17:05 CEST | Original file | N/A |
