| article html file updated | 16 August 2026 22:25 CEST | Update | https://www.mdpi.com/2073-8994/12/1/61 |
| article html file updated | 31 August 2025 07:38 CEST | Update | N/A |
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| article pdf uploaded. | 31 December 2019 10:47 CET | Updated version of record | https://www.mdpi.com/2073-8994/12/1/61/pdf |
| article xml uploaded. | 31 December 2019 10:47 CET | Update | https://www.mdpi.com/2073-8994/12/1/61/xml |
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| article pdf uploaded. | 27 December 2019 16:25 CET | Version of Record | https://www.mdpi.com/2073-8994/12/1/61/pdf-vor |
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