| article html file updated | 1 September 2025 12:33 CEST | Update | https://www.mdpi.com/2227-7080/8/4/61 |
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| article pdf uploaded. | 5 November 2020 03:59 CET | Updated version of record | https://www.mdpi.com/2227-7080/8/4/61/pdf |
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| article pdf uploaded. | 5 November 2020 03:21 CET | Updated version of record | https://www.mdpi.com/2227-7080/8/4/61/pdf-vor |
| article xml uploaded. | 5 November 2020 03:21 CET | Update | - |
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| article pdf uploaded. | 2 November 2020 11:54 CET | Version of Record | https://www.mdpi.com/2227-7080/8/4/61/pdf-vor |
