| article html file updated | 12 November 2015 03:45 CET | Update | https://www.mdpi.com/1424-8220/7/12/3058 | 
| article xml file uploaded | 12 November 2015 03:45 CET | Update | https://www.mdpi.com/1424-8220/7/12/3058/xml | 
| article html file updated | 14 August 2014 12:05 CEST | Update | - | 
| article xml file uploaded | 14 August 2014 12:05 CEST | Update | - | 
| article html file updated | 27 November 2013 15:57 CET | Original file | - | 
| article xml file uploaded | 27 November 2013 15:57 CET | Original file | - |