| article html file updated | 15 July 2022 22:57 CEST | Update | https://www.mdpi.com/1424-8220/14/4/6302 |
| article html file updated | 6 February 2020 08:16 CET | Update | N/A |
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| article xml file uploaded | 25 July 2014 12:19 CEST | Update | https://www.mdpi.com/1424-8220/14/4/6302/xml |
| article html file updated | 20 May 2014 13:54 CEST | Original file | N/A |
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| article pdf uploaded. | 31 March 2014 13:17 CEST | Version of Record | https://www.mdpi.com/1424-8220/14/4/6302/pdf |
