| article html file updated | 30 August 2025 04:15 CEST | Update | https://www.mdpi.com/2079-9721/6/2/47 |
| article html file updated | 16 July 2022 20:59 CEST | Update | N/A |
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| article html file updated | 2 June 2018 09:34 CEST | Original file | N/A |
| article pdf uploaded. | 2 June 2018 09:33 CEST | Version of Record | https://www.mdpi.com/2079-9721/6/2/47/pdf |
| article xml uploaded. | 2 June 2018 09:33 CEST | Update | https://www.mdpi.com/2079-9721/6/2/47/xml |
| article xml file uploaded | 2 June 2018 09:33 CEST | Original file | N/A |
