| article html file updated | 9 February 2020 13:26 CET | Update | https://www.mdpi.com/2077-1444/9/4/125 |
| article html file updated | 1 May 2019 04:15 CEST | Update | - |
| article html file updated | 17 April 2019 04:33 CEST | Update | - |
| article html file updated | 29 March 2019 14:48 CET | Update | - |
| article html file updated | 1 May 2018 05:19 CEST | Update | - |
| article html file updated | 11 April 2018 17:20 CEST | Original file | - |
| article xml uploaded. | 11 April 2018 17:19 CEST | Original file | https://www.mdpi.com/2077-1444/9/4/125/xml |
| article pdf uploaded. | 11 April 2018 17:19 CEST | Version of Record | https://www.mdpi.com/2077-1444/9/4/125/pdf |
