| article html file updated | 30 August 2025 07:54 CEST | Update | https://www.mdpi.com/2311-5521/3/4/73 |
| article html file updated | 17 July 2022 05:11 CEST | Update | N/A |
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| article html file updated | 17 October 2018 12:30 CEST | Original file | N/A |
| article pdf uploaded. | 17 October 2018 12:30 CEST | Version of Record | https://www.mdpi.com/2311-5521/3/4/73/pdf |
| article xml uploaded. | 17 October 2018 12:30 CEST | Update | https://www.mdpi.com/2311-5521/3/4/73/xml |
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