| article html file updated | 31 August 2025 13:11 CEST | Update | https://www.mdpi.com/2223-7747/9/3/308 |
| article html file updated | 20 July 2022 21:40 CEST | Update | - |
| article html file updated | 1 April 2020 18:22 CEST | Update | - |
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| article pdf uploaded. | 4 March 2020 10:03 CET | Updated version of record | https://www.mdpi.com/2223-7747/9/3/308/pdf |
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| article pdf uploaded. | 1 March 2020 13:41 CET | Version of Record | https://www.mdpi.com/2223-7747/9/3/308/pdf-vor |
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