| article html file updated | 6 February 2020 23:35 CET | Update | https://www.mdpi.com/2071-1050/7/10/13660 |
| article html file updated | 6 May 2019 09:45 CEST | Update | - |
| article html file updated | 26 March 2019 12:12 CET | Update | - |
| article html file updated | 6 November 2015 09:34 CET | Original file | - |
| article xml file uploaded | 6 November 2015 09:34 CET | Original file | https://www.mdpi.com/2071-1050/7/10/13660/xml |
| article pdf uploaded. | 9 October 2015 15:26 CEST | Version of Record | https://www.mdpi.com/2071-1050/7/10/13660/pdf |
