| article html file updated | 5 February 2020 17:30 CET | Update | https://www.mdpi.com/1660-3397/9/6/1119 |
| article html file updated | 9 May 2019 00:24 CEST | Update | - |
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| article xml file uploaded | 14 August 2014 12:04 CEST | Original file | https://www.mdpi.com/1660-3397/9/6/1119/xml |
| article html file updated | 6 February 2013 21:28 CET | Update | - |
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| article html file updated | 22 January 2013 17:41 CET | Original file | - |