| article html file updated | 7 February 2020 14:43 CET | Update | https://www.mdpi.com/2072-666X/7/9/164 |
| article html file updated | 22 September 2019 00:41 CEST | Update | - |
| article html file updated | 5 May 2019 04:36 CEST | Update | - |
| article html file updated | 15 October 2018 04:45 CEST | Update | - |
| article html file updated | 28 September 2016 07:30 CEST | Update | - |
| article html file updated | 9 September 2016 08:45 CEST | Original file | - |
| article xml uploaded. | 9 September 2016 08:44 CEST | Original file | https://www.mdpi.com/2072-666X/7/9/164/xml |
| article pdf uploaded. | 9 September 2016 08:44 CEST | Version of Record | https://www.mdpi.com/2072-666X/7/9/164/pdf |
