| article html file updated | 30 August 2025 14:15 CEST | Update | https://www.mdpi.com/2075-4418/9/2/44 |
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| article html file updated | 13 May 2019 11:21 CEST | Original file | - |
| article pdf uploaded. | 13 May 2019 11:19 CEST | Updated version of record | https://www.mdpi.com/2075-4418/9/2/44/pdf |
| article xml uploaded. | 13 May 2019 11:19 CEST | Update | https://www.mdpi.com/2075-4418/9/2/44/xml |
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| article pdf uploaded. | 23 April 2019 05:09 CEST | Version of Record | https://www.mdpi.com/2075-4418/9/2/44/pdf-vor |
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