| article html file updated | 8 February 2020 09:14 CET | Update | https://www.mdpi.com/2071-1050/9/7/1047 |
| article html file updated | 25 September 2019 13:34 CEST | Update | - |
| article html file updated | 3 May 2019 15:39 CEST | Update | - |
| article html file updated | 31 July 2017 09:34 CEST | Update | - |
| article html file updated | 26 June 2017 10:39 CEST | Original file | - |
| article xml uploaded. | 26 June 2017 10:38 CEST | Update | https://www.mdpi.com/2071-1050/9/7/1047/xml |
| article pdf uploaded. | 26 June 2017 10:38 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/7/1047/pdf |
