| article html file updated | 30 August 2025 21:16 CEST | Update | https://www.mdpi.com/2218-273X/9/6/234 |
| article html file updated | 20 July 2022 15:27 CEST | Update | N/A |
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| article html file updated | 24 June 2019 10:04 CEST | Original file | N/A |
| article pdf uploaded. | 24 June 2019 10:02 CEST | Updated version of record | https://www.mdpi.com/2218-273X/9/6/234/pdf |
| article xml uploaded. | 24 June 2019 10:02 CEST | Update | https://www.mdpi.com/2218-273X/9/6/234/xml |
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| article pdf uploaded. | 17 June 2019 16:06 CEST | Version of Record | https://www.mdpi.com/2218-273X/9/6/234/pdf-vor |
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