| article html file updated | 31 August 2025 17:53 CEST | Update | https://www.mdpi.com/2223-7747/9/4/524 |
| article html file updated | 21 July 2022 02:21 CEST | Update | - |
| article html file updated | 9 May 2020 04:35 CEST | Update | - |
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| article pdf uploaded. | 20 April 2020 09:34 CEST | Updated version of record | https://www.mdpi.com/2223-7747/9/4/524/pdf |
| article xml uploaded. | 20 April 2020 09:34 CEST | Update | https://www.mdpi.com/2223-7747/9/4/524/xml |
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| article pdf uploaded. | 20 April 2020 05:05 CEST | Updated version of record | https://www.mdpi.com/2223-7747/9/4/524/pdf-vor |
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| article html file updated | 18 April 2020 14:16 CEST | Original file | - |
| article pdf uploaded. | 18 April 2020 14:14 CEST | Version of Record | https://www.mdpi.com/2223-7747/9/4/524/pdf-vor |
| article xml file uploaded | 18 April 2020 14:14 CEST | Original file | - |
