| article html file updated | 9 February 2020 12:55 CET | Update | https://www.mdpi.com/1424-8220/18/4/1131 |
| article html file updated | 2 October 2019 09:17 CEST | Update | N/A |
| article html file updated | 1 May 2019 05:17 CEST | Update | N/A |
| article html file updated | 17 April 2019 05:29 CEST | Update | N/A |
| article html file updated | 29 March 2019 13:36 CET | Update | N/A |
| article html file updated | 7 May 2018 04:48 CEST | Update | N/A |
| article html file updated | 8 April 2018 06:11 CEST | Original file | N/A |
| article xml uploaded. | 8 April 2018 06:10 CEST | Update | https://www.mdpi.com/1424-8220/18/4/1131/xml |
| article pdf uploaded. | 8 April 2018 06:10 CEST | Version of Record | https://www.mdpi.com/1424-8220/18/4/1131/pdf |
