| article html file updated | 8 February 2020 22:37 CET | Update | https://www.mdpi.com/1424-8220/17/12/2768 |
| article html file updated | 28 September 2019 20:33 CEST | Update | - |
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| article html file updated | 2 January 2018 10:18 CET | Update | - |
| article html file updated | 29 November 2017 15:37 CET | Original file | - |
| article xml uploaded. | 29 November 2017 15:35 CET | Original file | https://www.mdpi.com/1424-8220/17/12/2768/xml |
| article pdf uploaded. | 29 November 2017 15:35 CET | Version of Record | https://www.mdpi.com/1424-8220/17/12/2768/pdf |
