| article html file updated | 7 February 2020 18:59 CET | Update | https://www.mdpi.com/2079-4991/6/12/232 |
| article html file updated | 22 September 2019 08:24 CEST | Update | - |
| article html file updated | 4 May 2019 20:33 CEST | Update | - |
| article html file updated | 9 February 2017 07:57 CET | Update | - |
| article html file updated | 30 December 2016 02:01 CET | Update | - |
| article html file updated | 2 December 2016 10:51 CET | Original file | - |
| article xml uploaded. | 2 December 2016 10:50 CET | Original file | https://www.mdpi.com/2079-4991/6/12/232/xml |
| article pdf uploaded. | 2 December 2016 10:50 CET | Version of Record | https://www.mdpi.com/2079-4991/6/12/232/pdf |
