| article html file updated | 6 February 2020 13:03 CET | Update | https://www.mdpi.com/2071-1050/6/10/7311 |
| article html file updated | 7 May 2019 06:40 CEST | Update | N/A |
| article html file updated | 22 March 2019 03:14 CET | Update | N/A |
| article html file updated | 21 August 2015 00:06 CEST | Update | N/A |
| article html file updated | 28 October 2014 09:23 CET | Original file | N/A |
| article xml file uploaded | 28 October 2014 09:23 CET | Original file | https://www.mdpi.com/2071-1050/6/10/7311/xml |
| article pdf uploaded. | 23 October 2014 10:23 CEST | Version of Record | https://www.mdpi.com/2071-1050/6/10/7311/pdf |
