| article html file updated | 6 February 2020 05:59 CET | Update | https://www.mdpi.com/1660-4601/10/12/6764 |
| article html file updated | 7 May 2019 21:16 CEST | Update | - |
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| article html file updated | 19 August 2015 12:22 CEST | Update | - |
| article html file updated | 7 January 2014 13:18 CET | Original file | - |
| article xml file uploaded | 7 January 2014 13:18 CET | Original file | https://www.mdpi.com/1660-4601/10/12/6764/xml |
| article pdf uploaded. | 4 December 2013 15:39 CET | Version of Record | https://www.mdpi.com/1660-4601/10/12/6764/pdf |
