| article html file updated | 18 August 2026 16:44 CEST | Update | https://www.mdpi.com/1999-4907/12/1/61 |
| article html file updated | 1 September 2025 17:58 CEST | Update | N/A |
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| article html file updated | 7 January 2021 08:49 CET | Update | N/A |
| article pdf uploaded. | 7 January 2021 08:47 CET | Updated version of record | https://www.mdpi.com/1999-4907/12/1/61/pdf |
| article xml uploaded. | 7 January 2021 08:47 CET | Update | https://www.mdpi.com/1999-4907/12/1/61/xml |
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| article html file updated | 7 January 2021 07:27 CET | Original file | N/A |
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