| article html file updated | 9 February 2020 11:56 CET | Update | https://www.mdpi.com/1424-8220/18/4/1040 |
| article html file updated | 2 October 2019 03:34 CEST | Update | - |
| article html file updated | 1 May 2019 07:15 CEST | Update | - |
| article html file updated | 17 April 2019 07:16 CEST | Update | - |
| article html file updated | 29 March 2019 11:24 CET | Update | - |
| article html file updated | 7 May 2018 04:22 CEST | Update | - |
| article html file updated | 31 March 2018 07:49 CEST | Original file | - |
| article xml uploaded. | 31 March 2018 07:47 CEST | Update | https://www.mdpi.com/1424-8220/18/4/1040/xml |
| article pdf uploaded. | 30 March 2018 14:32 CEST | Version of Record | https://www.mdpi.com/1424-8220/18/4/1040/pdf |
