| article html file updated | 31 August 2025 10:19 CEST | Update | https://www.mdpi.com/2223-7747/9/2/168 |
| article html file updated | 20 July 2022 18:50 CEST | Update | - |
| article html file updated | 6 March 2020 08:33 CET | Update | - |
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| article supplementary file uploaded. | 31 January 2020 08:13 CET | - | https://www.mdpi.com/2223-7747/9/2/168#supplementary |
| article pdf uploaded. | 31 January 2020 08:13 CET | Version of Record | https://www.mdpi.com/2223-7747/9/2/168/pdf |
| article xml uploaded. | 31 January 2020 08:13 CET | Update | https://www.mdpi.com/2223-7747/9/2/168/xml |
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