| article html file updated | 1 September 2025 00:25 CEST | Update | https://www.mdpi.com/2075-471X/9/2/15 |
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| article pdf uploaded. | 29 June 2020 12:22 CEST | Updated version of record | https://www.mdpi.com/2075-471X/9/2/15/pdf |
| article xml uploaded. | 29 June 2020 12:22 CEST | Update | https://www.mdpi.com/2075-471X/9/2/15/xml |
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| article pdf uploaded. | 23 June 2020 10:07 CEST | Updated version of record | https://www.mdpi.com/2075-471X/9/2/15/pdf-vor |
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| article pdf uploaded. | 22 June 2020 15:26 CEST | Version of Record | https://www.mdpi.com/2075-471X/9/2/15/pdf-vor |
