| article html file updated | 9 February 2020 19:29 CET | Update | https://www.mdpi.com/1424-8220/18/6/1751 |
| article html file updated | 4 October 2019 01:48 CEST | Update | - |
| article html file updated | 30 April 2019 15:39 CEST | Update | - |
| article html file updated | 16 April 2019 16:09 CEST | Update | - |
| article html file updated | 30 March 2019 05:40 CET | Update | - |
| article html file updated | 29 May 2018 15:16 CEST | Original file | - |
| article pdf uploaded. | 29 May 2018 15:15 CEST | Version of Record | https://www.mdpi.com/1424-8220/18/6/1751/pdf |
| article xml uploaded. | 29 May 2018 15:15 CEST | Update | https://www.mdpi.com/1424-8220/18/6/1751/xml |
| article xml file uploaded | 29 May 2018 15:15 CEST | Original file | - |
