| article html file updated | 9 February 2020 12:43 CET | Update | https://www.mdpi.com/2077-1444/9/4/114 |
| article html file updated | 1 May 2019 05:43 CEST | Update | - |
| article html file updated | 17 April 2019 05:51 CEST | Update | - |
| article html file updated | 29 March 2019 13:08 CET | Update | - |
| article html file updated | 1 May 2018 05:19 CEST | Update | - |
| article html file updated | 5 April 2018 18:22 CEST | Original file | - |
| article xml uploaded. | 5 April 2018 18:21 CEST | Original file | https://www.mdpi.com/2077-1444/9/4/114/xml |
| article pdf uploaded. | 5 April 2018 18:21 CEST | Version of Record | https://www.mdpi.com/2077-1444/9/4/114/pdf |
