| article html file updated | 8 February 2020 22:36 CET | Update | https://www.mdpi.com/2071-1050/9/12/2203 |
| article html file updated | 2 May 2019 11:52 CEST | Update | - |
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| article html file updated | 29 November 2017 13:07 CET | Original file | - |
| article xml uploaded. | 29 November 2017 13:05 CET | Original file | https://www.mdpi.com/2071-1050/9/12/2203/xml |
| article pdf uploaded. | 29 November 2017 13:05 CET | Version of Record | https://www.mdpi.com/2071-1050/9/12/2203/pdf |
