| article html file updated | 9 February 2020 19:10 CET | Update | https://www.mdpi.com/1424-8220/18/6/1722 |
| article html file updated | 3 October 2019 23:59 CEST | Update | - |
| article html file updated | 30 April 2019 16:23 CEST | Update | - |
| article html file updated | 16 April 2019 16:51 CEST | Update | - |
| article html file updated | 30 March 2019 04:56 CET | Update | - |
| article html file updated | 26 May 2018 11:12 CEST | Original file | - |
| article pdf uploaded. | 26 May 2018 11:10 CEST | Version of Record | https://www.mdpi.com/1424-8220/18/6/1722/pdf |
| article xml uploaded. | 26 May 2018 11:10 CEST | Update | https://www.mdpi.com/1424-8220/18/6/1722/xml |
| article xml file uploaded | 26 May 2018 11:10 CEST | Original file | - |
