| article html file updated | 9 February 2020 13:03 CET | Update | https://www.mdpi.com/1999-4893/11/4/44 |
| article html file updated | 2 October 2019 10:09 CEST | Update | - |
| article html file updated | 1 May 2019 05:00 CEST | Update | - |
| article html file updated | 17 April 2019 05:14 CEST | Update | - |
| article html file updated | 29 March 2019 13:55 CET | Update | - |
| article html file updated | 1 May 2018 05:42 CEST | Update | - |
| article html file updated | 9 April 2018 11:45 CEST | Original file | - |
| article xml uploaded. | 9 April 2018 11:43 CEST | Update | https://www.mdpi.com/1999-4893/11/4/44/xml |
| article pdf uploaded. | 9 April 2018 11:43 CEST | Version of Record | https://www.mdpi.com/1999-4893/11/4/44/pdf |
