| article html file updated | 8 February 2020 20:52 CET | Update | https://www.mdpi.com/1996-1073/10/11/1831 |
| article html file updated | 28 September 2019 09:20 CEST | Update | - |
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| article html file updated | 30 November 2017 11:15 CET | Update | - |
| article html file updated | 10 November 2017 11:27 CET | Original file | - |
| article xml uploaded. | 10 November 2017 11:26 CET | Original file | https://www.mdpi.com/1996-1073/10/11/1831/xml |
| article pdf uploaded. | 10 November 2017 11:26 CET | Version of Record | https://www.mdpi.com/1996-1073/10/11/1831/pdf |
