| article html file updated | 30 August 2025 00:35 CEST | Update | https://www.mdpi.com/2071-1050/9/3/411 |
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| article xml uploaded. | 10 March 2017 07:57 CET | Update | https://www.mdpi.com/2071-1050/9/3/411/xml |
| article pdf uploaded. | 10 March 2017 07:57 CET | Updated version of record | https://www.mdpi.com/2071-1050/9/3/411/pdf |
| article pdf uploaded. | 9 March 2017 10:46 CET | Version of Record | https://www.mdpi.com/2071-1050/9/3/411/pdf-vor |