| article html file updated | 6 February 2020 13:26 CET | Update | https://www.mdpi.com/2072-6643/6/11/4906 |
| article html file updated | 7 May 2019 05:55 CEST | Update | - |
| article html file updated | 25 March 2019 17:13 CET | Update | - |
| article html file updated | 21 August 2015 01:22 CEST | Update | - |
| article html file updated | 27 November 2014 11:16 CET | Original file | - |
| article xml file uploaded | 27 November 2014 11:16 CET | Original file | https://www.mdpi.com/2072-6643/6/11/4906/xml |
| article pdf uploaded. | 6 November 2014 13:30 CET | Version of Record | https://www.mdpi.com/2072-6643/6/11/4906/pdf |
