| article html file updated | 6 February 2020 11:00 CET | Update | https://www.mdpi.com/2072-6651/6/8/2229 |
| article html file updated | 7 May 2019 11:01 CEST | Update | - |
| article html file updated | 21 March 2019 21:46 CET | Update | - |
| article html file updated | 20 August 2015 13:43 CEST | Update | - |
| article html file updated | 28 August 2014 11:29 CEST | Original file | - |
| article xml file uploaded | 28 August 2014 11:29 CEST | Original file | https://www.mdpi.com/2072-6651/6/8/2229/xml |
| article pdf uploaded. | 25 July 2014 11:30 CEST | Version of Record | https://www.mdpi.com/2072-6651/6/8/2229/pdf |
