| article html file updated | 6 February 2020 10:51 CET | Update | https://www.mdpi.com/2073-4441/6/7/2084 |
| article html file updated | 7 May 2019 11:19 CEST | Update | - |
| article html file updated | 21 March 2019 21:19 CET | Update | - |
| article html file updated | 20 August 2015 13:16 CEST | Update | - |
| article html file updated | 6 August 2014 08:43 CEST | Original file | - |
| article xml file uploaded | 6 August 2014 08:43 CEST | Original file | https://www.mdpi.com/2073-4441/6/7/2084/xml |
| article pdf uploaded. | 24 July 2014 08:50 CEST | Updated version of record | https://www.mdpi.com/2073-4441/6/7/2084/pdf |
| article pdf uploaded. | 21 July 2014 14:23 CEST | Version of Record | https://www.mdpi.com/2073-4441/6/7/2084/pdf-vor |
