| article html file updated | 9 February 2020 12:57 CET | Update | https://www.mdpi.com/1424-8220/18/4/1137 |
| article html file updated | 2 October 2019 09:31 CEST | Update | - |
| article html file updated | 1 May 2019 05:13 CEST | Update | - |
| article html file updated | 17 April 2019 05:25 CEST | Update | - |
| article html file updated | 29 March 2019 13:40 CET | Update | - |
| article html file updated | 7 May 2018 04:50 CEST | Update | - |
| article html file updated | 8 April 2018 10:57 CEST | Original file | - |
| article xml uploaded. | 8 April 2018 10:56 CEST | Update | https://www.mdpi.com/1424-8220/18/4/1137/xml |
| article pdf uploaded. | 8 April 2018 10:56 CEST | Version of Record | https://www.mdpi.com/1424-8220/18/4/1137/pdf |
