| article html file updated | 29 August 2025 21:41 CEST | Update | https://www.mdpi.com/1996-1073/8/5/3313 |
| article html file updated | 16 July 2022 00:08 CEST | Update | N/A |
| article html file updated | 6 February 2020 17:58 CET | Update | N/A |
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| article html file updated | 21 August 2015 11:01 CEST | Original file | N/A |
| article pdf uploaded. | 23 April 2015 10:19 CEST | Version of Record | https://www.mdpi.com/1996-1073/8/5/3313/pdf |
