| article html file updated | 14 February 2020 04:03 CET | Update | https://www.mdpi.com/1424-8220/19/21/4648 |
| article html file updated | 15 November 2019 13:18 CET | Update | - |
| article html file updated | 28 October 2019 12:08 CET | Original file | - |
| article pdf uploaded. | 28 October 2019 12:06 CET | Updated version of record | https://www.mdpi.com/1424-8220/19/21/4648/pdf |
| article xml uploaded. | 28 October 2019 12:06 CET | Update | https://www.mdpi.com/1424-8220/19/21/4648/xml |
| article xml file uploaded | 28 October 2019 12:06 CET | Update | - |
| article pdf uploaded. | 25 October 2019 15:02 CEST | Version of Record | https://www.mdpi.com/1424-8220/19/21/4648/pdf-vor |
| article xml file uploaded | 25 October 2019 15:02 CEST | Original file | - |
