| article html file updated | 29 August 2025 21:38 CEST | Update | https://www.mdpi.com/1996-1944/8/4/1612 |
| article html file updated | 16 July 2022 00:04 CEST | Update | N/A |
| article html file updated | 6 February 2020 17:25 CET | Update | N/A |
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| article html file updated | 21 August 2015 10:06 CEST | Original file | N/A |
| article pdf uploaded. | 8 April 2015 13:57 CEST | Version of Record | https://www.mdpi.com/1996-1944/8/4/1612/pdf |
