| article html file updated | 14 August 2026 16:35 CEST | Update | https://www.mdpi.com/1999-4915/9/8/219 |
| article html file updated | 30 August 2025 00:55 CEST | Update | N/A |
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| article xml uploaded. | 10 August 2017 12:27 CEST | Original file | https://www.mdpi.com/1999-4915/9/8/219/xml |
| article pdf uploaded. | 10 August 2017 12:27 CEST | Updated version of record | https://www.mdpi.com/1999-4915/9/8/219/pdf |
| article pdf uploaded. | 9 August 2017 15:51 CEST | Version of Record | https://www.mdpi.com/1999-4915/9/8/219/pdf-vor |
