| article html file updated | 6 February 2020 06:09 CET | Update | https://www.mdpi.com/2072-6643/5/12/5031 |
| article html file updated | 7 May 2019 20:56 CEST | Update | - |
| article html file updated | 21 March 2019 09:18 CET | Update | - |
| article html file updated | 19 August 2015 13:26 CEST | Update | - |
| article html file updated | 7 January 2014 12:38 CET | Original file | - |
| article xml file uploaded | 7 January 2014 12:38 CET | Original file | https://www.mdpi.com/2072-6643/5/12/5031/xml |
| article pdf uploaded. | 12 December 2013 14:40 CET | Version of Record | https://www.mdpi.com/2072-6643/5/12/5031/pdf |
