| article html file updated | 30 August 2025 20:53 CEST | Update | https://www.mdpi.com/2218-2004/7/2/56 |
| article html file updated | 20 July 2022 15:54 CEST | Update | N/A |
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| article html file updated | 19 June 2019 13:07 CEST | Original file | N/A |
| article pdf uploaded. | 19 June 2019 13:06 CEST | Updated version of record | https://www.mdpi.com/2218-2004/7/2/56/pdf |
| article xml uploaded. | 19 June 2019 13:06 CEST | Update | https://www.mdpi.com/2218-2004/7/2/56/xml |
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| article pdf uploaded. | 7 June 2019 16:25 CEST | Version of Record | https://www.mdpi.com/2218-2004/7/2/56/pdf-vor |
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