| article html file updated | 30 August 2025 11:08 CEST | Update | https://www.mdpi.com/1996-1073/12/2/281 |
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| article pdf uploaded. | 18 January 2019 10:37 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/2/281/pdf |
| article xml uploaded. | 18 January 2019 10:37 CET | Update | https://www.mdpi.com/1996-1073/12/2/281/xml |
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| article html file updated | 17 January 2019 03:15 CET | Original file | N/A |
| article pdf uploaded. | 17 January 2019 03:13 CET | Version of Record | https://www.mdpi.com/1996-1073/12/2/281/pdf-vor |
| article xml uploaded. | 17 January 2019 03:13 CET | Update | N/A |
| article xml file uploaded | 17 January 2019 03:13 CET | Original file | N/A |
