| article html file updated | 6 February 2020 22:39 CET | Update | https://www.mdpi.com/2071-1050/7/9/12425 |
| article html file updated | 6 May 2019 11:38 CEST | Update | - |
| article html file updated | 26 March 2019 10:27 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/2071-1050/7/9/12425/xml |
| article pdf uploaded. | 10 September 2015 17:10 CEST | Version of Record | https://www.mdpi.com/2071-1050/7/9/12425/pdf |
