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| article html file updated | 31 August 2025 06:46 CEST | Update | - |
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| article pdf uploaded. | 19 December 2019 04:16 CET | Updated version of record | https://www.mdpi.com/2075-5309/9/12/244/pdf |
| article xml uploaded. | 19 December 2019 04:16 CET | Update | https://www.mdpi.com/2075-5309/9/12/244/xml |
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| article html file updated | 17 December 2019 11:46 CET | Original file | - |
| article pdf uploaded. | 17 December 2019 11:43 CET | Version of Record | https://www.mdpi.com/2075-5309/9/12/244/pdf-vor |
| article xml uploaded. | 17 December 2019 11:43 CET | Update | - |
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