| article html file updated | 30 August 2025 00:54 CEST | Update | https://www.mdpi.com/1999-4915/9/8/211 |
| article html file updated | 16 July 2022 05:44 CEST | Update | - |
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| article xml uploaded. | 8 August 2017 15:33 CEST | Original file | https://www.mdpi.com/1999-4915/9/8/211/xml |
| article pdf uploaded. | 8 August 2017 15:33 CEST | Updated version of record | https://www.mdpi.com/1999-4915/9/8/211/pdf |
| article pdf uploaded. | 7 August 2017 14:14 CEST | Version of Record | https://www.mdpi.com/1999-4915/9/8/211/pdf-vor |
