| article html file updated | 7 February 2020 18:02 CET | Update | https://www.mdpi.com/2072-4292/8/11/951 |
| article html file updated | 4 May 2019 22:28 CEST | Update | N/A |
| article html file updated | 1 December 2016 23:47 CET | Update | N/A |
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| article pdf uploaded. | 16 November 2016 03:45 CET | Version of Record | https://www.mdpi.com/2072-4292/8/11/951/pdf |