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| article html file updated | 30 August 2025 23:31 CEST | Update | N/A |
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| article html file updated | 12 August 2019 11:36 CEST | Original file | N/A |
| article pdf uploaded. | 12 August 2019 11:35 CEST | Updated version of record | https://www.mdpi.com/2227-9091/7/3/87/pdf |
| article xml uploaded. | 12 August 2019 11:35 CEST | Update | https://www.mdpi.com/2227-9091/7/3/87/xml |
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| article pdf uploaded. | 5 August 2019 15:19 CEST | Version of Record | https://www.mdpi.com/2227-9091/7/3/87/pdf-vor |
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