| article html file updated | 31 August 2025 19:47 CEST | Update | https://www.mdpi.com/2414-6366/5/2/74 | 
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| article pdf uploaded. | 8 May 2020 14:37 CEST | Updated version of record | https://www.mdpi.com/2414-6366/5/2/74/pdf | 
| article xml uploaded. | 8 May 2020 14:37 CEST | Update | https://www.mdpi.com/2414-6366/5/2/74/xml | 
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