| article html file updated | 6 February 2020 21:46 CET | Update | https://www.mdpi.com/2071-1050/7/8/11213 |
| article html file updated | 6 May 2019 13:30 CEST | Update | - |
| article html file updated | 26 March 2019 08:45 CET | Update | - |
| article html file updated | 3 September 2015 03:57 CEST | Original file | - |
| article xml file uploaded | 3 September 2015 03:57 CEST | Original file | https://www.mdpi.com/2071-1050/7/8/11213/xml |
| article pdf uploaded. | 18 August 2015 11:30 CEST | Updated version of record | https://www.mdpi.com/2071-1050/7/8/11213/pdf |
| article pdf uploaded. | 14 August 2015 13:04 CEST | Version of Record | https://www.mdpi.com/2071-1050/7/8/11213/pdf-vor |
