| article html file updated | 12 February 2020 10:37 CET | Update | https://www.mdpi.com/1424-8220/19/9/2122 |
| article html file updated | 19 October 2019 17:15 CEST | Update | N/A |
| article html file updated | 24 May 2019 16:55 CEST | Update | N/A |
| article html file updated | 8 May 2019 07:01 CEST | Original file | N/A |
| article pdf uploaded. | 8 May 2019 06:59 CEST | Version of Record | https://www.mdpi.com/1424-8220/19/9/2122/pdf |
| article xml uploaded. | 8 May 2019 06:59 CEST | Update | https://www.mdpi.com/1424-8220/19/9/2122/xml |
| article xml file uploaded | 8 May 2019 06:59 CEST | Original file | N/A |
