| article html file updated | 12 February 2020 11:59 CET | Update | https://www.mdpi.com/1424-8220/19/9/2207 |
| article html file updated | 20 October 2019 00:49 CEST | Update | N/A |
| article html file updated | 24 May 2019 17:48 CEST | Update | N/A |
| article html file updated | 13 May 2019 13:45 CEST | Original file | N/A |
| article pdf uploaded. | 13 May 2019 13:43 CEST | Version of Record | https://www.mdpi.com/1424-8220/19/9/2207/pdf |
| article xml uploaded. | 13 May 2019 13:43 CEST | Update | https://www.mdpi.com/1424-8220/19/9/2207/xml |
| article xml file uploaded | 13 May 2019 13:43 CEST | Original file | N/A |
