| article html file updated | 30 August 2025 02:28 CEST | Update | https://www.mdpi.com/1996-1073/11/2/310 |
| article html file updated | 16 July 2022 08:58 CEST | Update | N/A |
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| article xml uploaded. | 1 February 2018 09:25 CET | Update | https://www.mdpi.com/1996-1073/11/2/310/xml |
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| article xml uploaded. | 1 February 2018 09:25 CET | Original file | N/A |
| article pdf uploaded. | 1 February 2018 09:25 CET | Version of Record | https://www.mdpi.com/1996-1073/11/2/310/pdf |
