| article html file updated | 14 February 2020 01:35 CET | Update | https://www.mdpi.com/1424-8220/19/20/4501 |
| article html file updated | 31 October 2019 01:22 CET | Update | N/A |
| article html file updated | 17 October 2019 08:12 CEST | Original file | N/A |
| article pdf uploaded. | 17 October 2019 08:10 CEST | Version of Record | https://www.mdpi.com/1424-8220/19/20/4501/pdf |
| article xml uploaded. | 17 October 2019 08:10 CEST | Update | https://www.mdpi.com/1424-8220/19/20/4501/xml |
| article xml file uploaded | 17 October 2019 08:10 CEST | Original file | N/A |
