| article html file updated | 7 February 2020 07:13 CET | Update | https://www.mdpi.com/1424-8220/16/4/534 |
| article html file updated | 5 May 2019 18:43 CEST | Update | N/A |
| article html file updated | 27 March 2019 01:48 CET | Update | N/A |
| article html file updated | 29 April 2016 05:02 CEST | Update | N/A |
| article html file updated | 13 April 2016 13:45 CEST | Original file | N/A |
| article xml uploaded. | 13 April 2016 13:44 CEST | Update | https://www.mdpi.com/1424-8220/16/4/534/xml |
| article pdf uploaded. | 13 April 2016 13:44 CEST | Version of Record | https://www.mdpi.com/1424-8220/16/4/534/pdf |
