| article html file updated | 30 August 2025 02:36 CEST | Update | https://www.mdpi.com/1996-1073/11/2/424 |
| article html file updated | 16 July 2022 09:13 CEST | Update | N/A |
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| article html file updated | 30 September 2019 18:16 CEST | Update | N/A |
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| article html file updated | 12 February 2018 15:58 CET | Original file | N/A |
| article xml uploaded. | 12 February 2018 15:57 CET | Update | https://www.mdpi.com/1996-1073/11/2/424/xml |
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| article pdf uploaded. | 12 February 2018 15:57 CET | Version of Record | https://www.mdpi.com/1996-1073/11/2/424/pdf |
