| article html file updated | 7 February 2020 17:34 CET | Update | https://www.mdpi.com/2079-4991/6/11/201 |
| article html file updated | 4 May 2019 23:23 CEST | Update | - |
| article html file updated | 2 December 2016 05:39 CET | Update | - |
| article html file updated | 8 November 2016 05:16 CET | Original file | - |
| article xml uploaded. | 8 November 2016 05:15 CET | Original file | https://www.mdpi.com/2079-4991/6/11/201/xml |
| article pdf uploaded. | 5 November 2016 07:17 CET | Version of Record | https://www.mdpi.com/2079-4991/6/11/201/pdf |
