| article html file updated | 7 February 2020 17:29 CET | Update | https://www.mdpi.com/2079-4991/6/11/199 |
| article html file updated | 4 May 2019 23:33 CEST | Update | - |
| article html file updated | 2 December 2016 05:38 CET | Update | - |
| article html file updated | 4 November 2016 03:54 CET | Original file | - |
| article xml uploaded. | 4 November 2016 03:53 CET | Update | https://www.mdpi.com/2079-4991/6/11/199/xml |
| article xml uploaded. | 4 November 2016 03:53 CET | Original file | - |
| article pdf uploaded. | 4 November 2016 03:53 CET | Version of Record | https://www.mdpi.com/2079-4991/6/11/199/pdf |
