| article html file updated | 6 February 2020 10:56 CET | Update | https://www.mdpi.com/2072-6651/6/7/2177 |
| article html file updated | 7 May 2019 11:09 CEST | Update | - |
| article html file updated | 21 March 2019 21:34 CET | Update | - |
| article html file updated | 20 August 2015 13:30 CEST | Update | - |
| article html file updated | 29 July 2014 11:03 CEST | Update | - |
| article xml file uploaded | 29 July 2014 11:03 CEST | Update | https://www.mdpi.com/2072-6651/6/7/2177/xml |
| article html file updated | 29 July 2014 11:00 CEST | Original file | - |
| article xml file uploaded | 29 July 2014 11:00 CEST | Original file | - |
| article pdf uploaded. | 23 July 2014 13:49 CEST | Version of Record | https://www.mdpi.com/2072-6651/6/7/2177/pdf |
