| article html file updated | 30 August 2025 00:29 CEST | Update | https://www.mdpi.com/2306-5354/4/1/15 |
| article html file updated | 16 July 2022 05:00 CEST | Update | N/A |
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| article pdf uploaded. | 27 February 2017 02:37 CET | Updated version of record | https://www.mdpi.com/2306-5354/4/1/15/pdf |
| article pdf uploaded. | 23 February 2017 13:20 CET | Version of Record | https://www.mdpi.com/2306-5354/4/1/15/pdf-vor |
