| article html file updated | 15 August 2026 10:14 CEST | Update | https://www.mdpi.com/2076-0787/7/4/110 |
| article html file updated | 10 February 2020 19:41 CET | Update | N/A |
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| article html file updated | 5 November 2018 09:34 CET | Original file | N/A |
| article pdf uploaded. | 5 November 2018 09:32 CET | Version of Record | https://www.mdpi.com/2076-0787/7/4/110/pdf |
| article xml uploaded. | 5 November 2018 09:32 CET | Update | https://www.mdpi.com/2076-0787/7/4/110/xml |
| article xml file uploaded | 5 November 2018 09:32 CET | Original file | N/A |
