| article html file updated | 6 February 2020 05:39 CET | Update | https://www.mdpi.com/2072-6643/5/11/4665 |
| article html file updated | 20 September 2019 03:23 CEST | Update | - |
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| article html file updated | 3 December 2013 11:29 CET | Original file | - |
| article xml file uploaded | 3 December 2013 11:29 CET | Original file | https://www.mdpi.com/2072-6643/5/11/4665/xml |
| article pdf uploaded. | 21 November 2013 19:20 CET | Updated version of record | https://www.mdpi.com/2072-6643/5/11/4665/pdf |
| article pdf uploaded. | 20 November 2013 10:45 CET | Version of Record | https://www.mdpi.com/2072-6643/5/11/4665/pdf-vor |