| article html file updated | 6 February 2020 11:35 CET | Update | https://www.mdpi.com/2072-6651/6/8/2471 |
| article html file updated | 7 May 2019 09:29 CEST | Update | - |
| article html file updated | 21 March 2019 23:21 CET | Update | - |
| article html file updated | 20 August 2015 15:50 CEST | Update | - |
| article html file updated | 28 August 2014 11:27 CEST | Original file | - |
| article xml file uploaded | 28 August 2014 11:27 CEST | Original file | https://www.mdpi.com/2072-6651/6/8/2471/xml |
| article pdf uploaded. | 19 August 2014 13:24 CEST | Version of Record | https://www.mdpi.com/2072-6651/6/8/2471/pdf |
