| article html file updated | 14 August 2026 15:38 CEST | Update | https://www.mdpi.com/2409-9287/2/3/15 |
| article html file updated | 8 February 2020 10:03 CET | Update | N/A |
| article html file updated | 3 May 2019 14:08 CEST | Update | N/A |
| article html file updated | 11 July 2017 11:08 CEST | Original file | N/A |
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| article pdf uploaded. | 11 July 2017 11:07 CEST | Updated version of record | https://www.mdpi.com/2409-9287/2/3/15/pdf |
| article pdf uploaded. | 4 July 2017 12:35 CEST | Version of Record | https://www.mdpi.com/2409-9287/2/3/15/pdf-vor |
