| article html file updated | 8 February 2020 04:23 CET | Update | https://www.mdpi.com/2071-1050/9/5/685 |
| article html file updated | 24 September 2019 12:18 CEST | Update | - |
| article html file updated | 4 May 2019 00:45 CEST | Update | - |
| article html file updated | 31 May 2017 10:24 CEST | Update | - |
| article html file updated | 26 April 2017 17:17 CEST | Original file | - |
| article xml uploaded. | 26 April 2017 17:16 CEST | Original file | https://www.mdpi.com/2071-1050/9/5/685/xml |
| article pdf uploaded. | 26 April 2017 17:16 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/5/685/pdf |
