| article html file updated | 7 February 2020 01:02 CET | Update | https://www.mdpi.com/1996-1073/8/11/12355 |
| article html file updated | 6 May 2019 07:01 CEST | Update | - |
| article html file updated | 26 March 2019 14:47 CET | Original file | - |
| article pdf uploaded. | 17 November 2015 09:10 CET | Version of Record | https://www.mdpi.com/1996-1073/8/11/12355/pdf |
| article xml uploaded. | 17 November 2015 09:10 CET | Original file | https://www.mdpi.com/1996-1073/8/11/12355/xml |
