| article html file updated | 30 August 2025 02:24 CEST | Update | https://www.mdpi.com/1996-1073/11/2/297 |
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| article xml uploaded. | 30 January 2018 08:29 CET | Update | https://www.mdpi.com/1996-1073/11/2/297/xml |
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| article pdf uploaded. | 30 January 2018 08:29 CET | Updated version of record | https://www.mdpi.com/1996-1073/11/2/297/pdf |
| article html file updated | 28 January 2018 05:15 CET | Original file | - |
| article xml uploaded. | 28 January 2018 05:13 CET | Update | - |
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| article pdf uploaded. | 28 January 2018 05:13 CET | Version of Record | https://www.mdpi.com/1996-1073/11/2/297/pdf-vor |
