| article html file updated | 6 February 2020 08:31 CET | Update | https://www.mdpi.com/2072-4292/6/4/3188 |
| article html file updated | 7 May 2019 16:05 CEST | Update | - |
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| article html file updated | 14 August 2014 12:04 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:04 CEST | Update | https://www.mdpi.com/2072-4292/6/4/3188/xml |
| article html file updated | 20 May 2014 13:32 CEST | Original file | - |
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| article pdf uploaded. | 10 April 2014 11:21 CEST | Version of Record | https://www.mdpi.com/2072-4292/6/4/3188/pdf |