| article html file updated | 7 February 2020 17:45 CET | Update | https://www.mdpi.com/2075-4701/6/11/273 |
| article html file updated | 4 May 2019 23:01 CEST | Update | - |
| article html file updated | 30 November 2016 05:33 CET | Update | - |
| article html file updated | 9 November 2016 11:06 CET | Original file | - |
| article xml uploaded. | 9 November 2016 11:05 CET | Update | https://www.mdpi.com/2075-4701/6/11/273/xml |
| article xml uploaded. | 9 November 2016 11:05 CET | Original file | - |
| article pdf uploaded. | 9 November 2016 11:05 CET | Version of Record | https://www.mdpi.com/2075-4701/6/11/273/pdf |
