| article html file updated | 9 February 2020 00:27 CET | Update | https://www.mdpi.com/2071-1050/9/12/2367 |
| article html file updated | 29 September 2019 07:26 CEST | Update | N/A |
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| article pdf uploaded. | 18 December 2017 17:49 CET | Version of Record | https://www.mdpi.com/2071-1050/9/12/2367/pdf |