| article html file updated | 6 February 2020 00:10 CET | Update | https://www.mdpi.com/1660-3397/11/1/266 |
| article html file updated | 8 May 2019 09:25 CEST | Update | - |
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| article html file updated | 8 February 2013 09:37 CET | Update | - |
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| article html file updated | 5 February 2013 10:46 CET | Original file | - |
| article xml file uploaded | 5 February 2013 10:46 CET | Original file | https://www.mdpi.com/1660-3397/11/1/266/xml |
| article pdf uploaded. | 23 January 2013 11:31 CET | Version of Record | https://www.mdpi.com/1660-3397/11/1/266/pdf |
