| article html file updated | 6 February 2020 05:45 CET | Update | https://www.mdpi.com/2072-6643/5/12/4800 |
| article html file updated | 7 May 2019 21:42 CEST | Update | - |
| article html file updated | 21 March 2019 08:14 CET | Update | - |
| article html file updated | 19 August 2015 10:54 CEST | Update | - |
| article html file updated | 7 January 2014 12:37 CET | Original file | - |
| article xml file uploaded | 7 January 2014 12:37 CET | Original file | https://www.mdpi.com/2072-6643/5/12/4800/xml |
| article pdf uploaded. | 26 November 2013 09:49 CET | Version of Record | https://www.mdpi.com/2072-6643/5/12/4800/pdf |
