| article html file updated | 13 February 2020 23:55 CET | Update | https://www.mdpi.com/1424-8220/19/20/4401 |
| article html file updated | 30 October 2019 22:25 CET | Update | - |
| article html file updated | 15 October 2019 11:27 CEST | Update | - |
| article pdf uploaded. | 15 October 2019 11:24 CEST | Updated version of record | https://www.mdpi.com/1424-8220/19/20/4401/pdf |
| article xml uploaded. | 15 October 2019 11:24 CEST | Update | https://www.mdpi.com/1424-8220/19/20/4401/xml |
| article xml file uploaded | 15 October 2019 11:24 CEST | Update | - |
| article html file updated | 11 October 2019 12:34 CEST | Original file | - |
| article pdf uploaded. | 11 October 2019 12:33 CEST | Version of Record | https://www.mdpi.com/1424-8220/19/20/4401/pdf-vor |
| article xml uploaded. | 11 October 2019 12:33 CEST | Update | - |
| article xml file uploaded | 11 October 2019 12:33 CEST | Original file | - |
