| article html file updated | 6 February 2020 22:15 CET | Update | https://www.mdpi.com/2071-1050/7/9/12032 |
| article html file updated | 6 May 2019 12:29 CEST | Update | - |
| article html file updated | 26 March 2019 09:41 CET | Update | - |
| article html file updated | 12 October 2015 12:32 CEST | Original file | - |
| article xml file uploaded | 12 October 2015 12:32 CEST | Original file | https://www.mdpi.com/2071-1050/7/9/12032/xml |
| article pdf uploaded. | 8 September 2015 04:54 CEST | Updated version of record | https://www.mdpi.com/2071-1050/7/9/12032/pdf |
| article pdf uploaded. | 28 August 2015 13:33 CEST | Version of Record | https://www.mdpi.com/2071-1050/7/9/12032/pdf-vor |
