| article html file updated | 7 February 2020 01:36 CET | Update | https://www.mdpi.com/1996-1073/8/12/12389 |
| article html file updated | 6 May 2019 06:17 CEST | Update | - |
| article html file updated | 26 March 2019 15:26 CET | Original file | - |
| article pdf uploaded. | 1 December 2015 11:23 CET | Version of Record | https://www.mdpi.com/1996-1073/8/12/12389/pdf |
| article xml uploaded. | 1 December 2015 11:23 CET | Original file | https://www.mdpi.com/1996-1073/8/12/12389/xml |
