| article html file updated | 17 June 2015 13:04 CEST | Update | https://www.mdpi.com/1424-8220/13/9/12140 |
| article html file updated | 4 November 2013 10:30 CET | Original file | - |
| article xml file uploaded | 4 November 2013 10:29 CET | Original file | https://www.mdpi.com/1424-8220/13/9/12140/xml |
| article pdf uploaded. | 10 September 2013 10:52 CEST | Version of Record | https://www.mdpi.com/1424-8220/13/9/12140/pdf |
