| article html file updated | 6 February 2020 04:42 CET | Update | https://www.mdpi.com/2075-4434/1/3/180 |
| article html file updated | 7 May 2019 23:43 CEST | Update | - |
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| article html file updated | 17 June 2015 13:38 CEST | Update | - |
| article html file updated | 10 November 2014 07:32 CET | Original file | - |
| article xml file uploaded | 10 November 2014 07:32 CET | Original file | https://www.mdpi.com/2075-4434/1/3/180/xml |
| article pdf uploaded. | 3 October 2013 13:35 CEST | Version of Record | https://www.mdpi.com/2075-4434/1/3/180/pdf |
