| article html file updated | 30 August 2025 02:33 CEST | Update | https://www.mdpi.com/1996-1073/11/2/397 |
| article html file updated | 16 July 2022 09:08 CEST | Update | N/A |
| article html file updated | 9 February 2020 06:00 CET | Update | N/A |
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| article html file updated | 8 February 2018 16:38 CET | Original file | N/A |
| article xml uploaded. | 8 February 2018 16:36 CET | Update | https://www.mdpi.com/1996-1073/11/2/397/xml |
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| article pdf uploaded. | 8 February 2018 16:36 CET | Version of Record | https://www.mdpi.com/1996-1073/11/2/397/pdf |
