| article html file updated | 15 August 2026 16:53 CEST | Update | https://www.mdpi.com/2075-4701/9/2/223 |
| article html file updated | 11 February 2020 15:47 CET | Update | N/A |
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| article pdf uploaded. | 15 February 2019 13:38 CET | Updated version of record | https://www.mdpi.com/2075-4701/9/2/223/pdf |
| article xml uploaded. | 15 February 2019 13:38 CET | Update | https://www.mdpi.com/2075-4701/9/2/223/xml |
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| article pdf uploaded. | 13 February 2019 15:00 CET | Version of Record | https://www.mdpi.com/2075-4701/9/2/223/pdf-vor |
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