| article html file updated | 17 June 2015 09:44 CEST | Update | https://www.mdpi.com/1424-8220/13/6/7004 |
| article html file updated | 19 July 2013 09:52 CEST | Original file | N/A |
| article xml file uploaded | 19 July 2013 09:51 CEST | Original file | https://www.mdpi.com/1424-8220/13/6/7004/xml |
| article pdf uploaded. | 28 May 2013 14:10 CEST | Version of Record | https://www.mdpi.com/1424-8220/13/6/7004/pdf |
