| article html file updated | 14 August 2026 17:25 CEST | Update | https://www.mdpi.com/2071-1050/9/9/1614 |
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| article pdf uploaded. | 12 September 2017 08:45 CEST | Updated version of record | https://www.mdpi.com/2071-1050/9/9/1614/pdf |
| article pdf uploaded. | 11 September 2017 15:32 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/9/1614/pdf-vor |
