| article html file updated | 6 February 2020 12:57 CET | Update | https://www.mdpi.com/1996-1944/7/10/7073 |
| article html file updated | 7 May 2019 06:51 CEST | Update | N/A |
| article html file updated | 22 March 2019 02:58 CET | Update | N/A |
| article html file updated | 20 August 2015 23:43 CEST | Original file | N/A |
| article pdf uploaded. | 20 October 2014 13:49 CEST | Version of Record | https://www.mdpi.com/1996-1944/7/10/7073/pdf |
