| article html file updated | 6 February 2020 06:00 CET | Update | https://www.mdpi.com/2072-6643/5/12/4950 |
| article html file updated | 7 May 2019 21:14 CEST | Update | - |
| article html file updated | 21 March 2019 08:52 CET | Update | - |
| article html file updated | 19 August 2015 12:24 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/2072-6643/5/12/4950/xml |
| article pdf uploaded. | 5 December 2013 11:12 CET | Version of Record | https://www.mdpi.com/2072-6643/5/12/4950/pdf |
