| article html file updated | 7 February 2020 18:02 CET | Update | https://www.mdpi.com/1420-3049/21/11/1538 |
| article html file updated | 22 September 2019 05:40 CEST | Update | - |
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| article html file updated | 15 November 2016 23:00 CET | Original file | - |
| article xml uploaded. | 15 November 2016 15:15 CET | Update | https://www.mdpi.com/1420-3049/21/11/1538/xml |
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| article pdf uploaded. | 15 November 2016 15:15 CET | Version of Record | https://www.mdpi.com/1420-3049/21/11/1538/pdf |
