| article html file updated | 6 February 2020 21:09 CET | Update | https://www.mdpi.com/2072-6651/7/8/2835 |
| article html file updated | 6 May 2019 14:47 CEST | Update | - |
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| article html file updated | 27 August 2015 08:56 CEST | Update | - |
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| article html file updated | 21 August 2015 15:16 CEST | Original file | - |
| article pdf uploaded. | 29 July 2015 09:13 CEST | Version of Record | https://www.mdpi.com/2072-6651/7/8/2835/pdf |
