| article html file updated | 31 August 2025 08:23 CEST | Update | https://www.mdpi.com/1424-8220/20/2/342 | 
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| article pdf uploaded. | 15 January 2020 13:26 CET | Updated version of record | https://www.mdpi.com/1424-8220/20/2/342/pdf | 
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| article pdf uploaded. | 7 January 2020 11:57 CET | Version of Record | https://www.mdpi.com/1424-8220/20/2/342/pdf-vor | 
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