| article html file updated | 12 February 2020 10:34 CET | Update | https://www.mdpi.com/1424-8220/19/9/2120 |
| article html file updated | 19 October 2019 16:57 CEST | Update | N/A |
| article html file updated | 24 May 2019 16:52 CEST | Update | N/A |
| article html file updated | 10 May 2019 05:28 CEST | Original file | N/A |
| article pdf uploaded. | 10 May 2019 05:27 CEST | Updated version of record | https://www.mdpi.com/1424-8220/19/9/2120/pdf |
| article xml uploaded. | 10 May 2019 05:27 CEST | Update | https://www.mdpi.com/1424-8220/19/9/2120/xml |
| article xml file uploaded | 10 May 2019 05:27 CEST | Update | N/A |
| article pdf uploaded. | 7 May 2019 16:45 CEST | Version of Record | https://www.mdpi.com/1424-8220/19/9/2120/pdf-vor |
| article xml file uploaded | 7 May 2019 16:45 CEST | Original file | N/A |
