| article html file updated | 24 December 2025 17:32 CET | Update | https://www.mdpi.com/2223-7747/9/2/248 |
| article html file updated | 31 August 2025 11:42 CEST | Update | N/A |
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| article pdf uploaded. | 14 February 2020 14:34 CET | Updated version of record | https://www.mdpi.com/2223-7747/9/2/248/pdf |
| article xml uploaded. | 14 February 2020 14:34 CET | Update | https://www.mdpi.com/2223-7747/9/2/248/xml |
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