| article html file updated | 30 August 2025 13:54 CEST | Update | https://www.mdpi.com/2073-4360/11/4/668 |
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| article pdf uploaded. | 21 April 2019 11:07 CEST | Updated version of record | https://www.mdpi.com/2073-4360/11/4/668/pdf |
| article xml uploaded. | 21 April 2019 11:07 CEST | Update | https://www.mdpi.com/2073-4360/11/4/668/xml |
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| article pdf uploaded. | 11 April 2019 16:51 CEST | Version of Record | https://www.mdpi.com/2073-4360/11/4/668/pdf-vor |
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