| article html file updated | 7 February 2020 18:16 CET | Update | https://www.mdpi.com/2079-4991/6/11/218 |
| article html file updated | 4 May 2019 22:01 CEST | Update | - |
| article html file updated | 2 December 2016 05:43 CET | Update | - |
| article html file updated | 19 November 2016 02:42 CET | Original file | - |
| article xml uploaded. | 19 November 2016 02:41 CET | Original file | https://www.mdpi.com/2079-4991/6/11/218/xml |
| article pdf uploaded. | 19 November 2016 02:41 CET | Version of Record | https://www.mdpi.com/2079-4991/6/11/218/pdf |
