| article html file updated | 31 August 2025 00:12 CEST | Update | https://www.mdpi.com/2414-4088/3/3/60 |
| article html file updated | 20 July 2022 04:55 CEST | Update | - |
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| article pdf uploaded. | 16 September 2019 05:50 CEST | Updated version of record | https://www.mdpi.com/2414-4088/3/3/60/pdf |
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| article xml file uploaded | 16 September 2019 05:49 CEST | Update | - |
| article pdf uploaded. | 20 August 2019 15:12 CEST | Version of Record | https://www.mdpi.com/2414-4088/3/3/60/pdf-vor |
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