| article html file updated | 7 February 2020 17:41 CET | Update | https://www.mdpi.com/2075-4701/6/11/271 |
| article html file updated | 4 May 2019 23:09 CEST | Update | - |
| article html file updated | 30 November 2016 05:32 CET | Update | - |
| article html file updated | 8 November 2016 11:55 CET | Original file | - |
| article xml uploaded. | 8 November 2016 11:53 CET | Update | https://www.mdpi.com/2075-4701/6/11/271/xml |
| article xml uploaded. | 8 November 2016 11:53 CET | Update | - |
| article xml uploaded. | 8 November 2016 11:53 CET | Original file | - |
| article pdf uploaded. | 8 November 2016 11:53 CET | Version of Record | https://www.mdpi.com/2075-4701/6/11/271/pdf |
