| article html file updated | 6 February 2020 21:18 CET | Update | https://www.mdpi.com/2072-6651/7/8/2872 |
| article html file updated | 6 May 2019 14:31 CEST | Update | - |
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| article pdf uploaded. | 31 July 2015 13:45 CEST | Version of Record | https://www.mdpi.com/2072-6651/7/8/2872/pdf |
