| article html file updated | 30 August 2025 06:47 CEST | Update | https://www.mdpi.com/2071-1050/10/9/3224 |
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| article pdf uploaded. | 11 September 2018 06:24 CEST | Updated version of record | https://www.mdpi.com/2071-1050/10/9/3224/pdf |
| article xml uploaded. | 11 September 2018 06:24 CEST | Update | https://www.mdpi.com/2071-1050/10/9/3224/xml |
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| article pdf uploaded. | 9 September 2018 12:12 CEST | Version of Record | https://www.mdpi.com/2071-1050/10/9/3224/pdf-vor |
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