| article html file updated | 7 February 2020 19:08 CET | Update | https://www.mdpi.com/2079-4991/6/12/235 |
| article html file updated | 22 September 2019 09:02 CEST | Update | - |
| article html file updated | 4 May 2019 20:14 CEST | Update | - |
| article html file updated | 30 December 2016 02:02 CET | Update | - |
| article html file updated | 6 December 2016 10:36 CET | Original file | - |
| article xml uploaded. | 6 December 2016 10:35 CET | Update | https://www.mdpi.com/2079-4991/6/12/235/xml |
| article xml uploaded. | 6 December 2016 10:35 CET | Original file | - |
| article pdf uploaded. | 6 December 2016 10:35 CET | Version of Record | https://www.mdpi.com/2079-4991/6/12/235/pdf |
