| article html file updated | 30 August 2025 22:57 CEST | Update | https://www.mdpi.com/2218-6581/8/3/61 |
| article html file updated | 20 July 2022 06:27 CEST | Update | - |
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| article html file updated | 27 September 2019 11:30 CEST | Update | - |
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| article pdf uploaded. | 27 August 2019 12:07 CEST | Updated version of record | https://www.mdpi.com/2218-6581/8/3/61/pdf |
| article xml uploaded. | 27 August 2019 12:07 CEST | Update | https://www.mdpi.com/2218-6581/8/3/61/xml |
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| article pdf uploaded. | 24 July 2019 15:14 CEST | Version of Record | https://www.mdpi.com/2218-6581/8/3/61/pdf-vor |
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