| article html file updated | 7 February 2020 19:54 CET | Update | https://www.mdpi.com/1424-8220/16/12/2127 |
| article html file updated | 22 September 2019 13:00 CEST | Update | - |
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| article html file updated | 27 December 2016 13:08 CET | Update | - |
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| article pdf uploaded. | 20 December 2016 10:49 CET | Updated version of record | https://www.mdpi.com/1424-8220/16/12/2127/pdf |
| article html file updated | 19 December 2016 05:38 CET | Original file | - |
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| article pdf uploaded. | 19 December 2016 05:37 CET | Version of Record | https://www.mdpi.com/1424-8220/16/12/2127/pdf-vor |