| article html file updated | 14 August 2026 20:03 CEST | Update | https://www.mdpi.com/2079-4991/7/12/439 |
| article html file updated | 8 February 2020 23:51 CET | Update | N/A |
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| article xml uploaded. | 12 December 2017 12:05 CET | Update | https://www.mdpi.com/2079-4991/7/12/439/xml |
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| article pdf uploaded. | 12 December 2017 12:05 CET | Version of Record | https://www.mdpi.com/2079-4991/7/12/439/pdf |
