| article html file updated | 7 February 2020 17:51 CET | Update | https://www.mdpi.com/2071-1050/8/11/1168 |
| article html file updated | 4 May 2019 22:49 CEST | Update | - |
| article html file updated | 1 December 2016 23:30 CET | Update | - |
| article html file updated | 11 November 2016 09:12 CET | Original file | - |
| article xml uploaded. | 11 November 2016 09:11 CET | Original file | https://www.mdpi.com/2071-1050/8/11/1168/xml |
| article pdf uploaded. | 11 November 2016 09:11 CET | Version of Record | https://www.mdpi.com/2071-1050/8/11/1168/pdf |
