| article html file updated | 7 February 2020 07:35 CET | Update | https://www.mdpi.com/1424-8220/16/4/567 |
| article html file updated | 5 May 2019 17:58 CEST | Update | - |
| article html file updated | 27 March 2019 02:33 CET | Update | - |
| article html file updated | 29 April 2016 05:17 CEST | Update | - |
| article html file updated | 21 April 2016 11:47 CEST | Original file | - |
| article xml uploaded. | 21 April 2016 11:46 CEST | Update | https://www.mdpi.com/1424-8220/16/4/567/xml |
| article pdf uploaded. | 21 April 2016 11:46 CEST | Version of Record | https://www.mdpi.com/1424-8220/16/4/567/pdf |
