| article html file updated | 12 February 2020 08:47 CET | Update | https://www.mdpi.com/1424-8220/19/9/2020 |
| article html file updated | 19 October 2019 06:26 CEST | Update | - |
| article html file updated | 24 May 2019 15:21 CEST | Update | - |
| article html file updated | 6 May 2019 11:13 CEST | Original file | - |
| article pdf uploaded. | 6 May 2019 11:12 CEST | Updated version of record | https://www.mdpi.com/1424-8220/19/9/2020/pdf |
| article xml uploaded. | 6 May 2019 11:12 CEST | Update | https://www.mdpi.com/1424-8220/19/9/2020/xml |
| article xml file uploaded | 6 May 2019 11:12 CEST | Update | - |
| article pdf uploaded. | 29 April 2019 12:43 CEST | Version of Record | https://www.mdpi.com/1424-8220/19/9/2020/pdf-vor |
| article xml file uploaded | 29 April 2019 12:43 CEST | Original file | - |
