| article html file updated | 14 August 2026 17:34 CEST | Update | https://www.mdpi.com/1424-8220/17/9/2137 |
| article html file updated | 8 February 2020 16:25 CET | Update | N/A |
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| article pdf uploaded. | 18 September 2017 09:24 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/9/2137/pdf |
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