| article html file updated | 30 August 2025 10:32 CEST | Update | https://www.mdpi.com/1996-1073/12/1/155 |
| article html file updated | 17 July 2022 20:25 CEST | Update | N/A |
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| article html file updated | 3 January 2019 10:30 CET | Original file | N/A |
| article pdf uploaded. | 3 January 2019 10:29 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/1/155/pdf |
| article xml uploaded. | 3 January 2019 10:29 CET | Update | https://www.mdpi.com/1996-1073/12/1/155/xml |
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| article pdf uploaded. | 2 January 2019 13:28 CET | Version of Record | https://www.mdpi.com/1996-1073/12/1/155/pdf-vor |
| article xml file uploaded | 2 January 2019 13:28 CET | Original file | N/A |