| article html file updated | 15 October 2018 04:28 CEST | Update | https://www.mdpi.com/2072-666X/7/9/156 |
| article html file updated | 28 September 2016 07:27 CEST | Update | - |
| article html file updated | 1 September 2016 10:59 CEST | Original file | - |
| article xml uploaded. | 1 September 2016 10:57 CEST | Original file | https://www.mdpi.com/2072-666X/7/9/156/xml |
| article pdf uploaded. | 1 September 2016 10:57 CEST | Version of Record | https://www.mdpi.com/2072-666X/7/9/156/pdf |
