| article html file updated | 6 February 2020 03:02 CET | Update | https://www.mdpi.com/2071-1050/5/7/2960 |
| article html file updated | 8 May 2019 03:12 CEST | Update | - |
| article html file updated | 21 March 2019 00:51 CET | Update | - |
| article html file updated | 17 June 2015 11:00 CEST | Update | - |
| article html file updated | 14 August 2014 12:06 CEST | Original file | - |
| article xml file uploaded | 14 August 2014 12:06 CEST | Original file | https://www.mdpi.com/2071-1050/5/7/2960/xml |
| article pdf uploaded. | 5 July 2013 14:47 CEST | Version of Record | https://www.mdpi.com/2071-1050/5/7/2960/pdf |
