| article html file updated | 17 June 2015 06:07 CEST | Update | https://www.mdpi.com/2072-4292/5/2/648 |
| article html file updated | 14 August 2014 12:05 CEST | Update | N/A |
| article xml file uploaded | 14 August 2014 12:05 CEST | Update | https://www.mdpi.com/2072-4292/5/2/648/xml |
| article html file updated | 16 April 2013 15:03 CEST | Update | N/A |
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| article pdf uploaded. | 4 February 2013 10:41 CET | Version of Record | https://www.mdpi.com/2072-4292/5/2/648/pdf |