| article html file updated | 30 August 2025 04:31 CEST | Update | https://www.mdpi.com/1424-8220/18/6/1931 |
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| article html file updated | 14 June 2018 09:49 CEST | Original file | - |
| article pdf uploaded. | 14 June 2018 09:47 CEST | Updated version of record | https://www.mdpi.com/1424-8220/18/6/1931/pdf |
| article xml uploaded. | 14 June 2018 09:47 CEST | Update | https://www.mdpi.com/1424-8220/18/6/1931/xml |
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| article pdf uploaded. | 13 June 2018 16:21 CEST | Updated version of record | https://www.mdpi.com/1424-8220/18/6/1931/pdf-vor |
| article pdf uploaded. | 13 June 2018 16:18 CEST | Version of Record | https://www.mdpi.com/1424-8220/18/6/1931/pdf-vor |
| article xml file uploaded | 13 June 2018 16:18 CEST | Original file | - |
