| article html file updated | 9 February 2020 12:31 CET | Update | https://www.mdpi.com/2077-1444/9/4/111 |
| article html file updated | 1 May 2019 06:07 CEST | Update | - |
| article html file updated | 17 April 2019 06:13 CEST | Update | - |
| article html file updated | 29 March 2019 12:41 CET | Update | - |
| article html file updated | 1 May 2018 05:19 CEST | Update | - |
| article html file updated | 4 April 2018 12:45 CEST | Original file | - |
| article xml uploaded. | 4 April 2018 12:44 CEST | Update | https://www.mdpi.com/2077-1444/9/4/111/xml |
| article pdf uploaded. | 4 April 2018 12:44 CEST | Version of Record | https://www.mdpi.com/2077-1444/9/4/111/pdf |
