| article html file updated | 14 August 2026 17:39 CEST | Update | https://www.mdpi.com/1999-4907/8/9/353 |
| article html file updated | 30 August 2025 01:14 CEST | Update | N/A |
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| article xml uploaded. | 20 September 2017 20:15 CEST | Original file | https://www.mdpi.com/1999-4907/8/9/353/xml |
| article pdf uploaded. | 20 September 2017 20:15 CEST | Updated version of record | https://www.mdpi.com/1999-4907/8/9/353/pdf |
| article pdf uploaded. | 20 September 2017 14:34 CEST | Updated version of record | N/A |
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