| article html file updated | 14 August 2026 17:19 CEST | Update | https://www.mdpi.com/1424-8220/17/9/2050 |
| article html file updated | 8 February 2020 15:34 CET | Update | N/A |
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| article pdf uploaded. | 8 September 2017 08:37 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/9/2050/pdf |
| article pdf uploaded. | 7 September 2017 11:36 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/9/2050/pdf-vor |
