| article html file updated | 29 August 2025 22:08 CEST | Update | https://www.mdpi.com/1999-4915/7/9/2856 |
| article html file updated | 16 July 2022 00:56 CEST | Update | N/A |
| article html file updated | 6 February 2020 23:00 CET | Update | N/A |
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| article xml file uploaded | 28 September 2015 11:54 CEST | Original file | https://www.mdpi.com/1999-4915/7/9/2856/xml |
| article pdf uploaded. | 18 September 2015 16:30 CEST | Version of Record | https://www.mdpi.com/1999-4915/7/9/2856/pdf |
