| article html file updated | 14 February 2020 02:23 CET | Update | https://www.mdpi.com/1424-8220/19/20/4555 |
| article html file updated | 31 October 2019 02:04 CET | Update | N/A |
| article html file updated | 22 October 2019 06:11 CEST | Original file | N/A |
| article pdf uploaded. | 22 October 2019 06:09 CEST | Updated version of record | https://www.mdpi.com/1424-8220/19/20/4555/pdf |
| article xml uploaded. | 22 October 2019 06:09 CEST | Update | https://www.mdpi.com/1424-8220/19/20/4555/xml |
| article xml file uploaded | 22 October 2019 06:09 CEST | Update | N/A |
| article pdf uploaded. | 19 October 2019 12:40 CEST | Version of Record | https://www.mdpi.com/1424-8220/19/20/4555/pdf-vor |
| article xml file uploaded | 19 October 2019 12:40 CEST | Original file | N/A |
