| article html file updated | 6 February 2020 14:15 CET | Update | https://www.mdpi.com/2072-666X/5/4/1342 |
| article html file updated | 20 September 2019 15:44 CEST | Update | - |
| article html file updated | 7 May 2019 04:23 CEST | Update | - |
| article html file updated | 25 March 2019 18:53 CET | Update | - |
| article html file updated | 21 August 2015 03:37 CEST | Original file | - |
| article pdf uploaded. | 8 December 2014 10:26 CET | Version of Record | https://www.mdpi.com/2072-666X/5/4/1342/pdf |
