| article html file updated | 8 February 2020 18:19 CET | Update | https://www.mdpi.com/2075-4701/7/10/426 |
| article html file updated | 27 September 2019 17:31 CEST | Update | N/A |
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| article pdf uploaded. | 13 October 2017 15:34 CEST | Version of Record | https://www.mdpi.com/2075-4701/7/10/426/pdf |