| article html file updated | 8 February 2020 22:39 CET | Update | https://www.mdpi.com/2071-1050/9/12/2212 |
| article html file updated | 28 September 2019 20:43 CEST | Update | - |
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| article html file updated | 30 November 2017 15:26 CET | Original file | - |
| article xml uploaded. | 30 November 2017 10:57 CET | Update | https://www.mdpi.com/2071-1050/9/12/2212/xml |
| article xml uploaded. | 30 November 2017 10:57 CET | Original file | - |
| article pdf uploaded. | 30 November 2017 10:57 CET | Version of Record | https://www.mdpi.com/2071-1050/9/12/2212/pdf |
