| article html file updated | 31 August 2025 11:23 CEST | Update | https://new.mdpi.com/2223-7747/9/2/232 |
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| article pdf uploaded. | 12 February 2020 06:17 CET | Updated version of record | https://new.mdpi.com/2223-7747/9/2/232/pdf |
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| article supplementary file uploaded. | 11 February 2020 15:45 CET | - | https://new.mdpi.com/2223-7747/9/2/232#supplementary |
| article pdf uploaded. | 11 February 2020 15:45 CET | Version of Record | https://new.mdpi.com/2223-7747/9/2/232/pdf-vor |
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