| article html file updated | 7 February 2020 19:28 CET | Update | https://www.mdpi.com/2072-4292/8/12/1016 |
| article html file updated | 22 September 2019 10:42 CEST | Update | N/A |
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| article pdf uploaded. | 14 December 2016 05:24 CET | Updated version of record | https://www.mdpi.com/2072-4292/8/12/1016/pdf |
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