| article html file updated | 6 February 2020 07:48 CET | Update | https://www.mdpi.com/2072-6643/6/3/1038 |
| article html file updated | 7 May 2019 17:32 CEST | Update | - |
| article html file updated | 21 March 2019 13:38 CET | Update | - |
| article html file updated | 19 August 2015 23:11 CEST | Update | - |
| article html file updated | 28 April 2014 10:56 CEST | Original file | - |
| article xml file uploaded | 28 April 2014 10:56 CEST | Original file | https://www.mdpi.com/2072-6643/6/3/1038/xml |
| article pdf uploaded. | 10 March 2014 10:48 CET | Version of Record | https://www.mdpi.com/2072-6643/6/3/1038/pdf |
