| article html file updated | 6 February 2020 12:33 CET | Update | https://www.mdpi.com/2072-6694/6/4/2012 |
| article html file updated | 22 March 2019 01:45 CET | Update | N/A |
| article html file updated | 20 August 2015 21:31 CEST | Update | N/A |
| article html file updated | 26 December 2014 11:26 CET | Original file | N/A |
| article xml file uploaded | 26 December 2014 11:26 CET | Original file | https://www.mdpi.com/2072-6694/6/4/2012/xml |
| article supplementary file uploaded. | 29 September 2014 11:23 CEST | - | https://www.mdpi.com/2072-6694/6/4/2012#supplementary |
| article pdf uploaded. | 29 September 2014 11:23 CEST | Version of Record | https://www.mdpi.com/2072-6694/6/4/2012/pdf |
