| article html file updated | 14 February 2020 01:09 CET | Update | https://www.mdpi.com/1424-8220/19/20/4474 |
| article html file updated | 31 October 2019 00:36 CET | Update | - |
| article html file updated | 20 October 2019 09:52 CEST | Original file | - |
| article pdf uploaded. | 20 October 2019 09:51 CEST | Updated version of record | https://www.mdpi.com/1424-8220/19/20/4474/pdf |
| article xml uploaded. | 20 October 2019 09:51 CEST | Update | https://www.mdpi.com/1424-8220/19/20/4474/xml |
| article xml file uploaded | 20 October 2019 09:51 CEST | Update | - |
| article pdf uploaded. | 15 October 2019 16:58 CEST | Version of Record | https://www.mdpi.com/1424-8220/19/20/4474/pdf-vor |
| article xml file uploaded | 15 October 2019 16:58 CEST | Original file | - |
