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| article html file updated | 30 August 2025 20:53 CEST | Update | N/A |
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| article html file updated | 8 June 2019 09:50 CEST | Original file | N/A |
| article pdf uploaded. | 8 June 2019 09:49 CEST | Version of Record | https://www.mdpi.com/2076-3921/8/6/168/pdf |
| article xml uploaded. | 8 June 2019 09:49 CEST | Update | https://www.mdpi.com/2076-3921/8/6/168/xml |
| article xml file uploaded | 8 June 2019 09:49 CEST | Original file | N/A |
