| article html file updated | 17 June 2015 06:09 CEST | Update | https://www.mdpi.com/2072-4292/5/2/664 |
| article html file updated | 14 August 2014 12:05 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:05 CEST | Update | https://www.mdpi.com/2072-4292/5/2/664/xml |
| article html file updated | 16 April 2013 15:04 CEST | Update | - |
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| article html file updated | 16 April 2013 11:04 CEST | Update | - |
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| article html file updated | 8 March 2013 09:04 CET | Original file | - |
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| article pdf uploaded. | 5 February 2013 16:05 CET | Updated version of record | https://www.mdpi.com/2072-4292/5/2/664/pdf |
| article pdf uploaded. | 4 February 2013 14:37 CET | Version of Record | https://www.mdpi.com/2072-4292/5/2/664/pdf-vor |