| article html file updated | 7 February 2020 14:49 CET | Update | https://www.mdpi.com/2072-6651/8/9/266 |
| article html file updated | 5 May 2019 04:24 CEST | Update | - |
| article html file updated | 27 September 2016 11:37 CEST | Update | - |
| article html file updated | 11 September 2016 04:03 CEST | Original file | - |
| article xml uploaded. | 11 September 2016 04:01 CEST | Update | https://www.mdpi.com/2072-6651/8/9/266/xml |
| article xml uploaded. | 11 September 2016 04:01 CEST | Original file | - |
| article pdf uploaded. | 11 September 2016 04:01 CEST | Version of Record | https://www.mdpi.com/2072-6651/8/9/266/pdf |
