| article html file updated | 9 February 2020 11:55 CET | Update | https://www.mdpi.com/1424-8220/18/4/1039 |
| article html file updated | 2 October 2019 03:25 CEST | Update | - |
| article html file updated | 1 May 2019 07:18 CEST | Update | - |
| article html file updated | 17 April 2019 07:18 CEST | Update | - |
| article html file updated | 29 March 2019 11:21 CET | Update | - |
| article html file updated | 7 May 2018 04:22 CEST | Update | - |
| article html file updated | 30 March 2018 11:56 CEST | Original file | - |
| article xml uploaded. | 30 March 2018 11:54 CEST | Update | https://www.mdpi.com/1424-8220/18/4/1039/xml |
| article pdf uploaded. | 30 March 2018 11:54 CEST | Version of Record | https://www.mdpi.com/1424-8220/18/4/1039/pdf |
