| article html file updated | 30 August 2025 02:31 CEST | Update | https://www.mdpi.com/2073-4425/9/2/73 |
| article html file updated | 16 July 2022 09:05 CEST | Update | N/A |
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| article html file updated | 6 February 2018 17:20 CET | Original file | N/A |
| article xml uploaded. | 6 February 2018 17:18 CET | Update | https://www.mdpi.com/2073-4425/9/2/73/xml |
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| article pdf uploaded. | 6 February 2018 17:18 CET | Version of Record | https://www.mdpi.com/2073-4425/9/2/73/pdf |
