| article html file updated | 8 February 2020 08:41 CET | Update | https://www.mdpi.com/2072-666X/8/6/191 |
| article html file updated | 25 September 2019 10:32 CEST | Update | - |
| article html file updated | 3 May 2019 16:42 CEST | Update | - |
| article html file updated | 27 June 2017 11:39 CEST | Update | - |
| article html file updated | 20 June 2017 11:34 CEST | Original file | - |
| article xml uploaded. | 20 June 2017 11:33 CEST | Original file | https://www.mdpi.com/2072-666X/8/6/191/xml |
| article pdf uploaded. | 20 June 2017 11:33 CEST | Updated version of record | https://www.mdpi.com/2072-666X/8/6/191/pdf |
