| article html file updated | 31 August 2025 03:38 CEST | Update | https://www.mdpi.com/2227-7099/7/4/107 |
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| article html file updated | 31 December 2019 12:53 CET | Update | - |
| article html file updated | 7 November 2019 12:24 CET | Original file | - |
| article pdf uploaded. | 7 November 2019 12:22 CET | Updated version of record | https://www.mdpi.com/2227-7099/7/4/107/pdf |
| article xml uploaded. | 7 November 2019 12:22 CET | Update | https://www.mdpi.com/2227-7099/7/4/107/xml |
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| article pdf uploaded. | 28 October 2019 15:32 CET | Version of Record | https://www.mdpi.com/2227-7099/7/4/107/pdf-vor |
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