| article html file updated | 12 February 2020 11:58 CET | Update | https://www.mdpi.com/1424-8220/19/9/2206 |
| article html file updated | 20 October 2019 00:45 CEST | Update | N/A |
| article html file updated | 24 May 2019 17:47 CEST | Update | N/A |
| article html file updated | 13 May 2019 12:54 CEST | Original file | N/A |
| article pdf uploaded. | 13 May 2019 12:52 CEST | Version of Record | https://www.mdpi.com/1424-8220/19/9/2206/pdf |
| article xml uploaded. | 13 May 2019 12:52 CEST | Update | https://www.mdpi.com/1424-8220/19/9/2206/xml |
| article xml file uploaded | 13 May 2019 12:52 CEST | Original file | N/A |
