| article html file updated | 6 February 2020 13:10 CET | Update | https://www.mdpi.com/2072-6643/6/11/4720 |
| article html file updated | 7 May 2019 06:26 CEST | Update | N/A |
| article html file updated | 25 March 2019 16:39 CET | Update | N/A |
| article html file updated | 21 August 2015 00:32 CEST | Update | N/A |
| article html file updated | 27 November 2014 11:16 CET | Original file | N/A |
| article xml file uploaded | 27 November 2014 11:16 CET | Original file | https://www.mdpi.com/2072-6643/6/11/4720/xml |
| article pdf uploaded. | 28 October 2014 10:57 CET | Version of Record | https://www.mdpi.com/2072-6643/6/11/4720/pdf |
