| article html file updated | 9 February 2020 04:04 CET | Update | https://www.mdpi.com/1424-8220/18/2/319 |
| article html file updated | 30 September 2019 03:56 CEST | Update | - |
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| article html file updated | 14 March 2018 20:14 CET | Update | - |
| article html file updated | 24 January 2018 02:35 CET | Original file | - |
| article xml uploaded. | 24 January 2018 02:34 CET | Update | https://www.mdpi.com/1424-8220/18/2/319/xml |
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| article xml uploaded. | 23 January 2018 17:51 CET | Update | - |
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| article pdf uploaded. | 23 January 2018 17:51 CET | Version of Record | https://www.mdpi.com/1424-8220/18/2/319/pdf |