| article html file updated | 9 February 2020 10:47 CET | Update | https://www.mdpi.com/2079-6412/8/4/116 |
| article html file updated | 1 October 2019 20:48 CEST | Update | - |
| article html file updated | 1 May 2019 09:43 CEST | Update | - |
| article html file updated | 17 April 2019 09:36 CEST | Update | - |
| article html file updated | 29 March 2019 08:43 CET | Update | - |
| article html file updated | 1 May 2018 10:38 CEST | Update | - |
| article html file updated | 22 March 2018 10:34 CET | Original file | - |
| article xml uploaded. | 22 March 2018 10:32 CET | Update | https://www.mdpi.com/2079-6412/8/4/116/xml |
| article pdf uploaded. | 22 March 2018 10:32 CET | Version of Record | https://www.mdpi.com/2079-6412/8/4/116/pdf |
