| article html file updated | 9 February 2020 00:32 CET | Update | https://www.mdpi.com/1424-8220/17/12/2948 |
| article html file updated | 29 September 2019 07:53 CEST | Update | - |
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| article html file updated | 2 January 2018 11:06 CET | Update | - |
| article html file updated | 19 December 2017 12:05 CET | Original file | - |
| article xml uploaded. | 19 December 2017 12:04 CET | Original file | https://www.mdpi.com/1424-8220/17/12/2948/xml |
| article pdf uploaded. | 19 December 2017 12:04 CET | Version of Record | https://www.mdpi.com/1424-8220/17/12/2948/pdf |
