| article html file updated | 6 February 2020 11:26 CET | Update | https://www.mdpi.com/2072-6651/6/8/2424 |
| article html file updated | 7 May 2019 09:48 CEST | Update | - |
| article html file updated | 21 March 2019 23:00 CET | Update | - |
| article html file updated | 20 August 2015 15:19 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/2072-6651/6/8/2424/xml |
| article pdf uploaded. | 13 August 2014 14:39 CEST | Version of Record | https://www.mdpi.com/2072-6651/6/8/2424/pdf |
