| article html file updated | 6 February 2020 05:52 CET | Update | https://www.mdpi.com/2072-6643/5/12/4894 |
| article html file updated | 7 May 2019 21:29 CEST | Update | - |
| article html file updated | 21 March 2019 08:31 CET | Update | - |
| article html file updated | 19 August 2015 11:44 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/2072-6643/5/12/4894/xml |
| article pdf uploaded. | 28 November 2013 16:44 CET | Version of Record | https://www.mdpi.com/2072-6643/5/12/4894/pdf |
