| article html file updated | 14 August 2026 13:56 CEST | Update | https://www.mdpi.com/2312-7481/3/2/17 |
| article html file updated | 8 February 2020 03:53 CET | Update | N/A |
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| article pdf uploaded. | 24 April 2017 14:17 CEST | Updated version of record | https://www.mdpi.com/2312-7481/3/2/17/pdf |
| article pdf uploaded. | 19 April 2017 12:08 CEST | Version of Record | https://www.mdpi.com/2312-7481/3/2/17/pdf-vor |
