| article html file updated | 15 August 2026 01:32 CEST | Update | https://www.mdpi.com/1999-4907/9/5/256 |
| article html file updated | 9 February 2020 16:54 CET | Update | N/A |
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| article pdf uploaded. | 9 May 2018 10:46 CEST | Version of Record | https://www.mdpi.com/1999-4907/9/5/256/pdf |
| article xml uploaded. | 9 May 2018 10:46 CEST | Update | https://www.mdpi.com/1999-4907/9/5/256/xml |
| article xml file uploaded | 9 May 2018 10:46 CEST | Original file | N/A |
