| article html file updated | 7 February 2020 00:51 CET | Update | https://www.mdpi.com/2073-4441/7/11/6404 |
| article html file updated | 9 January 2020 14:31 CET | Original file | N/A |
| article xml uploaded. | 12 November 2015 08:46 CET | Original file | https://www.mdpi.com/2073-4441/7/11/6404/xml |
| article pdf uploaded. | 12 November 2015 08:46 CET | Version of Record | https://www.mdpi.com/2073-4441/7/11/6404/pdf |
