| article html file updated | 8 February 2020 20:37 CET | Update | https://www.mdpi.com/1424-8220/17/11/2561 |
| article html file updated | 28 September 2019 07:39 CEST | Update | - |
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| article html file updated | 30 November 2017 13:41 CET | Update | - |
| article html file updated | 8 November 2017 07:13 CET | Original file | - |
| article xml uploaded. | 8 November 2017 07:12 CET | Original file | https://www.mdpi.com/1424-8220/17/11/2561/xml |
| article pdf uploaded. | 8 November 2017 07:12 CET | Version of Record | https://www.mdpi.com/1424-8220/17/11/2561/pdf |
