| article html file updated | 30 August 2025 13:01 CEST | Update | https://www.mdpi.com/1424-8220/19/6/1301 |
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| article pdf uploaded. | 15 March 2019 07:18 CET | Version of Record | https://www.mdpi.com/1424-8220/19/6/1301/pdf |
| article xml uploaded. | 15 March 2019 07:18 CET | Update | https://www.mdpi.com/1424-8220/19/6/1301/xml |
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