| article html file updated | 6 February 2020 03:10 CET | Update | https://www.mdpi.com/1660-3397/11/7/2459 |
| article html file updated | 8 May 2019 02:57 CEST | Update | - |
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| article html file updated | 17 June 2015 11:16 CEST | Update | - |
| article html file updated | 7 August 2013 13:48 CEST | Original file | - |
| article xml file uploaded | 7 August 2013 13:48 CEST | Original file | https://www.mdpi.com/1660-3397/11/7/2459/xml |
| article pdf uploaded. | 12 July 2013 14:00 CEST | Version of Record | https://www.mdpi.com/1660-3397/11/7/2459/pdf |
