| article html file updated | 8 February 2020 15:10 CET | Update | https://www.mdpi.com/1424-8220/17/9/2012 |
| article html file updated | 26 September 2019 22:03 CEST | Update | - |
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| article pdf uploaded. | 2 September 2017 10:19 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/9/2012/pdf |
