| article html file updated | 7 February 2020 00:48 CET | Update | https://www.mdpi.com/1996-1073/8/11/12337 |
| article html file updated | 6 May 2019 07:17 CEST | Update | - |
| article html file updated | 26 March 2019 14:31 CET | Original file | - |
| article pdf uploaded. | 11 November 2015 11:44 CET | Version of Record | https://www.mdpi.com/1996-1073/8/11/12337/pdf |
