| article html file updated | 7 February 2020 18:32 CET | Update | https://www.mdpi.com/2075-4701/6/12/297 |
| article html file updated | 22 September 2019 06:41 CEST | Update | - |
| article html file updated | 4 May 2019 21:30 CEST | Update | - |
| article html file updated | 28 December 2016 11:17 CET | Update | - |
| article html file updated | 24 November 2016 13:24 CET | Original file | - |
| article xml uploaded. | 24 November 2016 13:23 CET | Update | https://www.mdpi.com/2075-4701/6/12/297/xml |
| article xml uploaded. | 24 November 2016 13:23 CET | Original file | - |
| article pdf uploaded. | 24 November 2016 13:23 CET | Version of Record | https://www.mdpi.com/2075-4701/6/12/297/pdf |
