| article html file updated | 8 February 2020 21:42 CET | Update | https://www.mdpi.com/1996-1073/10/11/1908 |
| article html file updated | 28 September 2019 14:48 CEST | Update | - |
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| article html file updated | 30 November 2017 11:34 CET | Update | - |
| article html file updated | 20 November 2017 11:36 CET | Original file | - |
| article xml uploaded. | 20 November 2017 11:34 CET | Original file | https://www.mdpi.com/1996-1073/10/11/1908/xml |
| article pdf uploaded. | 20 November 2017 11:34 CET | Version of Record | https://www.mdpi.com/1996-1073/10/11/1908/pdf |
