| article html file updated | 31 August 2025 06:50 CEST | Update | https://www.mdpi.com/1660-4601/17/1/6 |
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| article html file updated | 14 February 2020 19:38 CET | Update | - |
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| article pdf uploaded. | 24 December 2019 07:50 CET | Updated version of record | https://www.mdpi.com/1660-4601/17/1/6/pdf |
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| article pdf uploaded. | 18 December 2019 09:19 CET | Version of Record | https://www.mdpi.com/1660-4601/17/1/6/pdf-vor |
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