| article html file updated | 6 February 2020 05:41 CET | Update | https://www.mdpi.com/2072-6643/5/11/4715 |
| article html file updated | 7 May 2019 21:51 CEST | Update | N/A |
| article html file updated | 21 March 2019 08:01 CET | Update | N/A |
| article html file updated | 19 August 2015 10:27 CEST | Update | N/A |
| article html file updated | 3 December 2013 11:29 CET | Original file | N/A |
| article xml file uploaded | 3 December 2013 11:29 CET | Original file | https://www.mdpi.com/2072-6643/5/11/4715/xml |
| article pdf uploaded. | 21 November 2013 12:03 CET | Version of Record | https://www.mdpi.com/2072-6643/5/11/4715/pdf |
