| article html file updated | 7 February 2020 02:12 CET | Update | https://www.mdpi.com/1996-1073/8/12/12418 |
| article html file updated | 6 May 2019 05:02 CEST | Update | - |
| article html file updated | 26 March 2019 16:25 CET | Original file | - |
| article pdf uploaded. | 14 December 2015 11:35 CET | Version of Record | https://www.mdpi.com/1996-1073/8/12/12418/pdf |
| article xml uploaded. | 14 December 2015 11:35 CET | Original file | https://www.mdpi.com/1996-1073/8/12/12418/xml |
