| article html file updated | 7 February 2020 14:51 CET | Update | https://www.mdpi.com/2072-6651/8/9/267 |
| article html file updated | 5 May 2019 04:20 CEST | Update | - |
| article html file updated | 27 September 2016 11:37 CEST | Update | - |
| article html file updated | 12 September 2016 11:00 CEST | Original file | - |
| article xml uploaded. | 12 September 2016 10:59 CEST | Update | https://www.mdpi.com/2072-6651/8/9/267/xml |
| article xml uploaded. | 12 September 2016 10:59 CEST | Original file | - |
| article pdf uploaded. | 12 September 2016 10:59 CEST | Version of Record | https://www.mdpi.com/2072-6651/8/9/267/pdf |
