| article html file updated | 6 February 2020 05:44 CET | Update | https://www.mdpi.com/2072-4292/5/12/6241 |
| article html file updated | 7 May 2019 21:44 CEST | Update | - |
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| article html file updated | 14 August 2014 12:07 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:07 CEST | Update | https://www.mdpi.com/2072-4292/5/12/6241/xml |
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| article html file updated | 6 January 2014 11:25 CET | Original file | - |
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| article pdf uploaded. | 25 November 2013 14:04 CET | Version of Record | https://www.mdpi.com/2072-4292/5/12/6241/pdf |