| article html file updated | 14 February 2020 00:53 CET | Update | https://www.mdpi.com/1424-8220/19/20/4460 |
| article html file updated | 31 October 2019 00:12 CET | Update | N/A |
| article html file updated | 15 October 2019 08:36 CEST | Original file | N/A |
| article pdf uploaded. | 15 October 2019 08:34 CEST | Version of Record | https://www.mdpi.com/1424-8220/19/20/4460/pdf |
| article xml uploaded. | 15 October 2019 08:34 CEST | Update | https://www.mdpi.com/1424-8220/19/20/4460/xml |
| article xml file uploaded | 15 October 2019 08:34 CEST | Original file | N/A |
