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| article html file updated | 21 August 2025 22:53 CEST | Update | - |
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| article pdf uploaded. | 16 December 2019 05:37 CET | Updated version of record | https://www.mdpi.com/2227-9091/7/4/102/pdf |
| article xml uploaded. | 16 December 2019 05:37 CET | Update | https://www.mdpi.com/2227-9091/7/4/102/xml |
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| article html file updated | 24 October 2019 03:58 CEST | Original file | - |
| article pdf uploaded. | 24 October 2019 03:57 CEST | Updated version of record | https://www.mdpi.com/2227-9091/7/4/102/pdf-vor |
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| article pdf uploaded. | 12 October 2019 15:46 CEST | Version of Record | https://www.mdpi.com/2227-9091/7/4/102/pdf-vor |
| article xml file uploaded | 12 October 2019 15:46 CEST | Original file | - |
