| article html file updated | 16 June 2015 11:35 CEST | Update | https://www.mdpi.com/1424-8220/10/9/8198 |
| article html file updated | 28 April 2014 11:20 CEST | Update | - |
| article xml file uploaded | 28 April 2014 11:20 CEST | Original file | https://www.mdpi.com/1424-8220/10/9/8198/xml |
| article html file updated | 6 February 2013 18:28 CET | Update | - |
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| article html file updated | 22 January 2013 03:40 CET | Update | - |
| article html file updated | 18 January 2013 09:30 CET | Original file | - |
