| article html file updated | 30 August 2025 21:00 CEST | Update | https://www.mdpi.com/2311-5521/4/2/107 |
| article html file updated | 20 July 2022 15:46 CEST | Update | N/A |
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| article html file updated | 21 October 2019 17:09 CEST | Update | N/A |
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| article html file updated | 11 June 2019 13:13 CEST | Original file | N/A |
| article pdf uploaded. | 11 June 2019 13:12 CEST | Version of Record | https://www.mdpi.com/2311-5521/4/2/107/pdf |
| article xml uploaded. | 11 June 2019 13:12 CEST | Update | https://www.mdpi.com/2311-5521/4/2/107/xml |
| article xml file uploaded | 11 June 2019 13:11 CEST | Original file | N/A |
