| article html file updated | 7 February 2020 14:40 CET | Update | https://www.mdpi.com/2073-4433/7/9/114 |
| article html file updated | 5 May 2019 04:41 CEST | Update | - |
| article html file updated | 26 September 2016 08:39 CEST | Update | - |
| article html file updated | 8 September 2016 12:44 CEST | Original file | - |
| article xml uploaded. | 8 September 2016 12:42 CEST | Update | https://www.mdpi.com/2073-4433/7/9/114/xml |
| article xml uploaded. | 8 September 2016 12:42 CEST | Original file | - |
| article pdf uploaded. | 8 September 2016 12:42 CEST | Version of Record | https://www.mdpi.com/2073-4433/7/9/114/pdf |
