| article html file updated | 14 August 2026 16:44 CEST | Update | https://www.mdpi.com/1660-3397/15/8/257 |
| article html file updated | 30 August 2025 00:57 CEST | Update | N/A |
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| article xml uploaded. | 17 August 2017 11:40 CEST | Update | https://www.mdpi.com/1660-3397/15/8/257/xml |
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| article pdf uploaded. | 17 August 2017 11:40 CEST | Updated version of record | https://www.mdpi.com/1660-3397/15/8/257/pdf |
| article pdf uploaded. | 16 August 2017 13:49 CEST | Version of Record | https://www.mdpi.com/1660-3397/15/8/257/pdf-vor |
